178575228

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{5227}}^1$

素因数の和:5323

約数の個数: 72

約数和(自身を含む): 492874928

約数和(自身を除く): 314299700

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 73, 78, 117, 146, 156, 219, 234, 292, 438, 468, 657, 876, 949, 1314, 1898, 2628, 2847, 3796, 5227, 5694, 8541, 10454, 11388, 15681, 17082, 20908, 31362, 34164, 47043, 62724, 67951, 94086, 135902, 188172, 203853, 271804, 381571, 407706, 611559, 763142, 815412, 1144713, 1223118, 1526284, 2289426, 2446236, 3434139, 4578852, 4960423, 6868278, 9920846, 13736556, 14881269, 19841692, 29762538, 44643807, 59525076, 89287614, 178575228]

約数ペア:

[(1, 178575228), (2, 89287614), (3, 59525076), (4, 44643807), (6, 29762538), (9, 19841692), (12, 14881269), (13, 13736556), (18, 9920846), (26, 6868278), (36, 4960423), (39, 4578852), (52, 3434139), (73, 2446236), (78, 2289426), (117, 1526284), (146, 1223118), (156, 1144713), (219, 815412), (234, 763142), (292, 611559), (438, 407706), (468, 381571), (657, 271804), (876, 203853), (949, 188172), (1314, 135902), (1898, 94086), (2628, 67951), (2847, 62724), (3796, 47043), (5227, 34164), (5694, 31362), (8541, 20908), (10454, 17082), (11388, 15681)]