661542544

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{77573}}^1$

素因数の和:77635

約数の個数: 40

約数和(自身を含む): 1414018872

約数和(自身を除く): 752476328

約数列:

[1, 2, 4, 8, 13, 16, 26, 41, 52, 82, 104, 164, 208, 328, 533, 656, 1066, 2132, 4264, 8528, 77573, 155146, 310292, 620584, 1008449, 1241168, 2016898, 3180493, 4033796, 6360986, 8067592, 12721972, 16135184, 25443944, 41346409, 50887888, 82692818, 165385636, 330771272, 661542544]

約数ペア:

[(1, 661542544), (2, 330771272), (4, 165385636), (8, 82692818), (13, 50887888), (16, 41346409), (26, 25443944), (41, 16135184), (52, 12721972), (82, 8067592), (104, 6360986), (164, 4033796), (208, 3180493), (328, 2016898), (533, 1241168), (656, 1008449), (1066, 620584), (2132, 310292), (4264, 155146), (8528, 77573)]