257646012

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{191}}^1\times {\mathrm{8647}}^1$

素因数の和:8858

約数の個数: 48

約数和(自身を含む): 650883072

約数和(自身を除く): 393237060

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 191, 382, 573, 764, 1146, 2292, 2483, 4966, 7449, 8647, 9932, 14898, 17294, 25941, 29796, 34588, 51882, 103764, 112411, 224822, 337233, 449644, 674466, 1348932, 1651577, 3303154, 4954731, 6606308, 9909462, 19818924, 21470501, 42941002, 64411503, 85882004, 128823006, 257646012]

約数ペア:

[(1, 257646012), (2, 128823006), (3, 85882004), (4, 64411503), (6, 42941002), (12, 21470501), (13, 19818924), (26, 9909462), (39, 6606308), (52, 4954731), (78, 3303154), (156, 1651577), (191, 1348932), (382, 674466), (573, 449644), (764, 337233), (1146, 224822), (2292, 112411), (2483, 103764), (4966, 51882), (7449, 34588), (8647, 29796), (9932, 25941), (14898, 17294)]