815290

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{613}}^1$

素因数の和:646

約数の個数: 32

約数和(自身を含む): 1768320

約数和(自身を除く): 953030

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 133, 190, 266, 613, 665, 1226, 1330, 3065, 4291, 6130, 8582, 11647, 21455, 23294, 42910, 58235, 81529, 116470, 163058, 407645, 815290]

約数ペア:

[(1, 815290), (2, 407645), (5, 163058), (7, 116470), (10, 81529), (14, 58235), (19, 42910), (35, 23294), (38, 21455), (70, 11647), (95, 8582), (133, 6130), (190, 4291), (266, 3065), (613, 1330), (665, 1226)]