645951294

素因数分解:

$2^1\times 3^3\times {\mathrm{563}}^1\times {\mathrm{21247}}^1$

素因数の和:21821

約数の個数: 32

約数和(自身を含む): 1438064640

約数和(自身を除く): 792113346

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 563, 1126, 1689, 3378, 5067, 10134, 15201, 21247, 30402, 42494, 63741, 127482, 191223, 382446, 573669, 1147338, 11962061, 23924122, 35886183, 71772366, 107658549, 215317098, 322975647, 645951294]

約数ペア:

[(1, 645951294), (2, 322975647), (3, 215317098), (6, 107658549), (9, 71772366), (18, 35886183), (27, 23924122), (54, 11962061), (563, 1147338), (1126, 573669), (1689, 382446), (3378, 191223), (5067, 127482), (10134, 63741), (15201, 42494), (21247, 30402)]