1640451892

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{557}}^1\times {\mathrm{17123}}^1$

素因数の和:17727

約数の個数: 24

約数和(自身を含む): 2942999136

約数和(自身を除く): 1302547244

約数列:

[1, 2, 4, 43, 86, 172, 557, 1114, 2228, 17123, 23951, 34246, 47902, 68492, 95804, 736289, 1472578, 2945156, 9537511, 19075022, 38150044, 410112973, 820225946, 1640451892]

約数ペア:

[(1, 1640451892), (2, 820225946), (4, 410112973), (43, 38150044), (86, 19075022), (172, 9537511), (557, 2945156), (1114, 1472578), (2228, 736289), (17123, 95804), (23951, 68492), (34246, 47902)]