31887128

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43801}}^1$

素因数の和:43827

約数の個数: 32

約数和(自身を含む): 73587360

約数和(自身を除く): 41700232

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728, 43801, 87602, 175204, 306607, 350408, 569413, 613214, 1138826, 1226428, 2277652, 2452856, 3985891, 4555304, 7971782, 15943564, 31887128]

約数ペア:

[(1, 31887128), (2, 15943564), (4, 7971782), (7, 4555304), (8, 3985891), (13, 2452856), (14, 2277652), (26, 1226428), (28, 1138826), (52, 613214), (56, 569413), (91, 350408), (104, 306607), (182, 175204), (364, 87602), (728, 43801)]