321241990

素因数分解:

$2^1\times 5^1\times {\mathrm{29}}^1\times {\mathrm{197}}^1\times {\mathrm{5623}}^1$

素因数の和:5856

約数の個数: 32

約数和(自身を含む): 601318080

約数和(自身を除く): 280076090

約数列:

[1, 2, 5, 10, 29, 58, 145, 197, 290, 394, 985, 1970, 5623, 5713, 11246, 11426, 28115, 28565, 56230, 57130, 163067, 326134, 815335, 1107731, 1630670, 2215462, 5538655, 11077310, 32124199, 64248398, 160620995, 321241990]

約数ペア:

[(1, 321241990), (2, 160620995), (5, 64248398), (10, 32124199), (29, 11077310), (58, 5538655), (145, 2215462), (197, 1630670), (290, 1107731), (394, 815335), (985, 326134), (1970, 163067), (5623, 57130), (5713, 56230), (11246, 28565), (11426, 28115)]