64409878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{509}}^1$

素因数の和:712

約数の個数: 32

約数和(自身を含む): 108299520

約数和(自身を除く): 43889642

約数列:

[1, 2, 13, 26, 31, 62, 157, 314, 403, 509, 806, 1018, 2041, 4082, 4867, 6617, 9734, 13234, 15779, 31558, 63271, 79913, 126542, 159826, 205127, 410254, 1038869, 2077738, 2477303, 4954606, 32204939, 64409878]

約数ペア:

[(1, 64409878), (2, 32204939), (13, 4954606), (26, 2477303), (31, 2077738), (62, 1038869), (157, 410254), (314, 205127), (403, 159826), (509, 126542), (806, 79913), (1018, 63271), (2041, 31558), (4082, 15779), (4867, 13234), (6617, 9734)]