638105468

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:125

約数の個数: 192

約数和(自身を含む): 1612154880

約数和(自身を除く): 974049412

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 23, 26, 28, 41, 44, 46, 52, 77, 82, 91, 92, 143, 154, 161, 164, 169, 182, 253, 286, 287, 299, 308, 322, 338, 364, 451, 506, 533, 572, 574, 598, 644, 676, 902, 943, 1001, 1012, 1066, 1148, 1183, 1196, 1771, 1804, 1859, 1886, 2002, 2093, 2132, 2197, 2366, 3157, 3289, 3542, 3718, 3731, 3772, 3887, 4004, 4186, 4394, 4732, 5863, 6314, 6578, 6601, 6929, 7084, 7436, 7462, 7774, 8372, 8788, 10373, 11726, 12259, 12628, 13013, 13156, 13202, 13858, 14924, 15379, 15548, 20746, 23023, 23452, 24167, 24518, 26026, 26404, 27209, 27716, 30758, 41041, 41492, 42757, 46046, 48334, 48503, 49036, 50531, 52052, 54418, 61516, 72611, 76219, 82082, 85514, 85813, 90077, 92092, 96668, 97006, 101062, 108836, 134849, 145222, 152438, 159367, 164164, 169169, 171028, 171626, 180154, 194012, 202124, 269698, 290444, 299299, 304876, 318734, 338338, 343252, 353717, 360308, 533533, 539396, 555841, 598598, 630539, 637468, 676676, 707434, 943943, 990847, 1067066, 1111682, 1115569, 1197196, 1261078, 1414868, 1753037, 1887886, 1981694, 2071771, 2134132, 2223364, 2231138, 2522156, 3506074, 3775772, 3890887, 3963388, 4143542, 4462276, 6935929, 7012148, 7781774, 8287084, 12271259, 13871858, 14502397, 15563548, 22789481, 24542518, 27743716, 29004794, 45578962, 49085036, 58009588, 91157924, 159526367, 319052734, 638105468]

約数ペア:

[(1, 638105468), (2, 319052734), (4, 159526367), (7, 91157924), (11, 58009588), (13, 49085036), (14, 45578962), (22, 29004794), (23, 27743716), (26, 24542518), (28, 22789481), (41, 15563548), (44, 14502397), (46, 13871858), (52, 12271259), (77, 8287084), (82, 7781774), (91, 7012148), (92, 6935929), (143, 4462276), (154, 4143542), (161, 3963388), (164, 3890887), (169, 3775772), (182, 3506074), (253, 2522156), (286, 2231138), (287, 2223364), (299, 2134132), (308, 2071771), (322, 1981694), (338, 1887886), (364, 1753037), (451, 1414868), (506, 1261078), (533, 1197196), (572, 1115569), (574, 1111682), (598, 1067066), (644, 990847), (676, 943943), (902, 707434), (943, 676676), (1001, 637468), (1012, 630539), (1066, 598598), (1148, 555841), (1183, 539396), (1196, 533533), (1771, 360308), (1804, 353717), (1859, 343252), (1886, 338338), (2002, 318734), (2093, 304876), (2132, 299299), (2197, 290444), (2366, 269698), (3157, 202124), (3289, 194012), (3542, 180154), (3718, 171626), (3731, 171028), (3772, 169169), (3887, 164164), (4004, 159367), (4186, 152438), (4394, 145222), (4732, 134849), (5863, 108836), (6314, 101062), (6578, 97006), (6601, 96668), (6929, 92092), (7084, 90077), (7436, 85813), (7462, 85514), (7774, 82082), (8372, 76219), (8788, 72611), (10373, 61516), (11726, 54418), (12259, 52052), (12628, 50531), (13013, 49036), (13156, 48503), (13202, 48334), (13858, 46046), (14924, 42757), (15379, 41492), (15548, 41041), (20746, 30758), (23023, 27716), (23452, 27209), (24167, 26404), (24518, 26026)]