131712568

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{4507}}^1$

素因数の和:4807

約数の個数: 32

約数和(自身を含む): 266963760

約数和(自身を除く): 135251192

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 281, 562, 1124, 2248, 3653, 4507, 7306, 9014, 14612, 18028, 29224, 36056, 58591, 117182, 234364, 468728, 1266467, 2532934, 5065868, 10131736, 16464071, 32928142, 65856284, 131712568]

約数ペア:

[(1, 131712568), (2, 65856284), (4, 32928142), (8, 16464071), (13, 10131736), (26, 5065868), (52, 2532934), (104, 1266467), (281, 468728), (562, 234364), (1124, 117182), (2248, 58591), (3653, 36056), (4507, 29224), (7306, 18028), (9014, 14612)]