643656

素因数分解:

$2^3\times 3^1\times {\mathrm{13}}^1\times {\mathrm{2063}}^1$

素因数の和:2085

約数の個数: 32

約数和(自身を含む): 1733760

約数和(自身を除く): 1090104

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312, 2063, 4126, 6189, 8252, 12378, 16504, 24756, 26819, 49512, 53638, 80457, 107276, 160914, 214552, 321828, 643656]

約数ペア:

[(1, 643656), (2, 321828), (3, 214552), (4, 160914), (6, 107276), (8, 80457), (12, 53638), (13, 49512), (24, 26819), (26, 24756), (39, 16504), (52, 12378), (78, 8252), (104, 6189), (156, 4126), (312, 2063)]