865543130

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{87517}}^1$

素因数の和:87590

約数の個数: 32

約数和(自身を含む): 1663542144

約数和(自身を除く): 797999014

約数列:

[1, 2, 5, 10, 23, 43, 46, 86, 115, 215, 230, 430, 989, 1978, 4945, 9890, 87517, 175034, 437585, 875170, 2012891, 3763231, 4025782, 7526462, 10064455, 18816155, 20128910, 37632310, 86554313, 173108626, 432771565, 865543130]

約数ペア:

[(1, 865543130), (2, 432771565), (5, 173108626), (10, 86554313), (23, 37632310), (43, 20128910), (46, 18816155), (86, 10064455), (115, 7526462), (215, 4025782), (230, 3763231), (430, 2012891), (989, 875170), (1978, 437585), (4945, 175034), (9890, 87517)]