331647530

素因数分解:

$2^1\times 5^1\times {\mathrm{79}}^1\times {\mathrm{197}}^1\times {\mathrm{2131}}^1$

素因数の和:2414

約数の個数: 32

約数和(自身を含む): 607875840

約数和(自身を除く): 276228310

約数列:

[1, 2, 5, 10, 79, 158, 197, 394, 395, 790, 985, 1970, 2131, 4262, 10655, 15563, 21310, 31126, 77815, 155630, 168349, 336698, 419807, 839614, 841745, 1683490, 2099035, 4198070, 33164753, 66329506, 165823765, 331647530]

約数ペア:

[(1, 331647530), (2, 165823765), (5, 66329506), (10, 33164753), (79, 4198070), (158, 2099035), (197, 1683490), (394, 841745), (395, 839614), (790, 419807), (985, 336698), (1970, 168349), (2131, 155630), (4262, 77815), (10655, 31126), (15563, 21310)]