487805968

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{283}}^1\times {\mathrm{8287}}^1$

素因数の和:8591

約数の個数: 40

約数和(自身を含む): 1021545728

約数和(自身を除く): 533739760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 283, 566, 1132, 2264, 3679, 4528, 7358, 8287, 14716, 16574, 29432, 33148, 58864, 66296, 107731, 132592, 215462, 430924, 861848, 1723696, 2345221, 4690442, 9380884, 18761768, 30487873, 37523536, 60975746, 121951492, 243902984, 487805968]

約数ペア:

[(1, 487805968), (2, 243902984), (4, 121951492), (8, 60975746), (13, 37523536), (16, 30487873), (26, 18761768), (52, 9380884), (104, 4690442), (208, 2345221), (283, 1723696), (566, 861848), (1132, 430924), (2264, 215462), (3679, 132592), (4528, 107731), (7358, 66296), (8287, 58864), (14716, 33148), (16574, 29432)]