220172368

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{79}}^1\times {\mathrm{13399}}^1$

素因数の和:13499

約数の個数: 40

約数和(自身を含む): 465248000

約数和(自身を除く): 245075632

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 79, 104, 158, 208, 316, 632, 1027, 1264, 2054, 4108, 8216, 13399, 16432, 26798, 53596, 107192, 174187, 214384, 348374, 696748, 1058521, 1393496, 2117042, 2786992, 4234084, 8468168, 13760773, 16936336, 27521546, 55043092, 110086184, 220172368]

約数ペア:

[(1, 220172368), (2, 110086184), (4, 55043092), (8, 27521546), (13, 16936336), (16, 13760773), (26, 8468168), (52, 4234084), (79, 2786992), (104, 2117042), (158, 1393496), (208, 1058521), (316, 696748), (632, 348374), (1027, 214384), (1264, 174187), (2054, 107192), (4108, 53596), (8216, 26798), (13399, 16432)]