71772584

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{1721}}^1$

素因数の和:2141

約数の個数: 32

約数和(自身を含む): 145371240

約数和(自身を除く): 73598656

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 401, 802, 1604, 1721, 3208, 3442, 5213, 6884, 10426, 13768, 20852, 22373, 41704, 44746, 89492, 178984, 690121, 1380242, 2760484, 5520968, 8971573, 17943146, 35886292, 71772584]

約数ペア:

[(1, 71772584), (2, 35886292), (4, 17943146), (8, 8971573), (13, 5520968), (26, 2760484), (52, 1380242), (104, 690121), (401, 178984), (802, 89492), (1604, 44746), (1721, 41704), (3208, 22373), (3442, 20852), (5213, 13768), (6884, 10426)]