28605968

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{419}}^1$

素因数の和:695

約数の個数: 40

約数和(自身を含む): 59058720

約数和(自身を除く): 30452752

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 251, 272, 419, 502, 838, 1004, 1676, 2008, 3352, 4016, 4267, 6704, 7123, 8534, 14246, 17068, 28492, 34136, 56984, 68272, 105169, 113968, 210338, 420676, 841352, 1682704, 1787873, 3575746, 7151492, 14302984, 28605968]

約数ペア:

[(1, 28605968), (2, 14302984), (4, 7151492), (8, 3575746), (16, 1787873), (17, 1682704), (34, 841352), (68, 420676), (136, 210338), (251, 113968), (272, 105169), (419, 68272), (502, 56984), (838, 34136), (1004, 28492), (1676, 17068), (2008, 14246), (3352, 8534), (4016, 7123), (4267, 6704)]