257813556

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^3\times {\mathrm{127}}^1$

素因数の和:191

約数の個数: 192

約数和(自身を含む): 818872320

約数和(自身を除く): 561058764

約数列:

[1, 2, 3, 4, 6, 7, 11, 12, 13, 14, 21, 22, 26, 28, 33, 39, 42, 44, 52, 66, 77, 78, 84, 91, 127, 132, 143, 154, 156, 169, 182, 231, 254, 273, 286, 308, 338, 364, 381, 429, 462, 507, 508, 546, 572, 676, 762, 858, 889, 924, 1001, 1014, 1092, 1183, 1397, 1524, 1651, 1716, 1778, 1859, 2002, 2028, 2197, 2366, 2667, 2794, 3003, 3302, 3549, 3556, 3718, 4004, 4191, 4394, 4732, 4953, 5334, 5577, 5588, 6006, 6591, 6604, 7098, 7436, 8382, 8788, 9779, 9906, 10668, 11154, 11557, 12012, 13013, 13182, 14196, 15379, 16764, 18161, 19558, 19812, 21463, 22308, 23114, 24167, 26026, 26364, 29337, 30758, 34671, 36322, 39039, 39116, 42926, 46137, 46228, 48334, 52052, 54483, 58674, 61516, 64389, 69342, 72501, 72644, 78078, 85852, 92274, 96668, 108966, 117348, 127127, 128778, 138684, 145002, 150241, 156156, 169169, 184548, 217932, 236093, 254254, 257556, 279019, 290004, 300482, 338338, 381381, 450723, 472186, 507507, 508508, 558038, 600964, 676676, 708279, 762762, 837057, 901446, 944372, 1015014, 1116076, 1416558, 1525524, 1652651, 1674114, 1802892, 1953133, 2030028, 2833116, 3069209, 3305302, 3348228, 3906266, 4957953, 5859399, 6138418, 6610604, 7812532, 9207627, 9915906, 11718798, 12276836, 18415254, 19831812, 21484463, 23437596, 36830508, 42968926, 64453389, 85937852, 128906778, 257813556]

約数ペア:

[(1, 257813556), (2, 128906778), (3, 85937852), (4, 64453389), (6, 42968926), (7, 36830508), (11, 23437596), (12, 21484463), (13, 19831812), (14, 18415254), (21, 12276836), (22, 11718798), (26, 9915906), (28, 9207627), (33, 7812532), (39, 6610604), (42, 6138418), (44, 5859399), (52, 4957953), (66, 3906266), (77, 3348228), (78, 3305302), (84, 3069209), (91, 2833116), (127, 2030028), (132, 1953133), (143, 1802892), (154, 1674114), (156, 1652651), (169, 1525524), (182, 1416558), (231, 1116076), (254, 1015014), (273, 944372), (286, 901446), (308, 837057), (338, 762762), (364, 708279), (381, 676676), (429, 600964), (462, 558038), (507, 508508), (508, 507507), (546, 472186), (572, 450723), (676, 381381), (762, 338338), (858, 300482), (889, 290004), (924, 279019), (1001, 257556), (1014, 254254), (1092, 236093), (1183, 217932), (1397, 184548), (1524, 169169), (1651, 156156), (1716, 150241), (1778, 145002), (1859, 138684), (2002, 128778), (2028, 127127), (2197, 117348), (2366, 108966), (2667, 96668), (2794, 92274), (3003, 85852), (3302, 78078), (3549, 72644), (3556, 72501), (3718, 69342), (4004, 64389), (4191, 61516), (4394, 58674), (4732, 54483), (4953, 52052), (5334, 48334), (5577, 46228), (5588, 46137), (6006, 42926), (6591, 39116), (6604, 39039), (7098, 36322), (7436, 34671), (8382, 30758), (8788, 29337), (9779, 26364), (9906, 26026), (10668, 24167), (11154, 23114), (11557, 22308), (12012, 21463), (13013, 19812), (13182, 19558), (14196, 18161), (15379, 16764)]