28705530

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{136693}}^1$

素因数の和:136710

約数の個数: 32

約数和(自身を含む): 78735744

約数和(自身を除く): 50030214

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 136693, 273386, 410079, 683465, 820158, 956851, 1366930, 1913702, 2050395, 2870553, 4100790, 4784255, 5741106, 9568510, 14352765, 28705530]

約数ペア:

[(1, 28705530), (2, 14352765), (3, 9568510), (5, 5741106), (6, 4784255), (7, 4100790), (10, 2870553), (14, 2050395), (15, 1913702), (21, 1366930), (30, 956851), (35, 820158), (42, 683465), (70, 410079), (105, 273386), (210, 136693)]