64269712

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{308989}}^1$

素因数の和:309010

約数の個数: 20

約数和(自身を含む): 134101660

約数和(自身を除く): 69831948

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 308989, 617978, 1235956, 2471912, 4016857, 4943824, 8033714, 16067428, 32134856, 64269712]

約数ペア:

[(1, 64269712), (2, 32134856), (4, 16067428), (8, 8033714), (13, 4943824), (16, 4016857), (26, 2471912), (52, 1235956), (104, 617978), (208, 308989)]