864165890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{536749}}^1$

素因数の和:536786

約数の個数: 32

約数和(自身を含む): 1855008000

約数和(自身を除く): 990842110

約数列:

[1, 2, 5, 7, 10, 14, 23, 35, 46, 70, 115, 161, 230, 322, 805, 1610, 536749, 1073498, 2683745, 3757243, 5367490, 7514486, 12345227, 18786215, 24690454, 37572430, 61726135, 86416589, 123452270, 172833178, 432082945, 864165890]

約数ペア:

[(1, 864165890), (2, 432082945), (5, 172833178), (7, 123452270), (10, 86416589), (14, 61726135), (23, 37572430), (35, 24690454), (46, 18786215), (70, 12345227), (115, 7514486), (161, 5367490), (230, 3757243), (322, 2683745), (805, 1073498), (1610, 536749)]