664758536

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{809}}^1\times {\mathrm{7901}}^1$

素因数の和:8729

約数の個数: 32

約数和(自身を含む): 1344130200

約数和(自身を除く): 679371664

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 809, 1618, 3236, 6472, 7901, 10517, 15802, 21034, 31604, 42068, 63208, 84136, 102713, 205426, 410852, 821704, 6391909, 12783818, 25567636, 51135272, 83094817, 166189634, 332379268, 664758536]

約数ペア:

[(1, 664758536), (2, 332379268), (4, 166189634), (8, 83094817), (13, 51135272), (26, 25567636), (52, 12783818), (104, 6391909), (809, 821704), (1618, 410852), (3236, 205426), (6472, 102713), (7901, 84136), (10517, 63208), (15802, 42068), (21034, 31604)]