138950408

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{223}}^1\times {\mathrm{1097}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 265628160

約数和(自身を除く): 126677752

約数列:

[1, 2, 4, 8, 71, 142, 223, 284, 446, 568, 892, 1097, 1784, 2194, 4388, 8776, 15833, 31666, 63332, 77887, 126664, 155774, 244631, 311548, 489262, 623096, 978524, 1957048, 17368801, 34737602, 69475204, 138950408]

約数ペア:

[(1, 138950408), (2, 69475204), (4, 34737602), (8, 17368801), (71, 1957048), (142, 978524), (223, 623096), (284, 489262), (446, 311548), (568, 244631), (892, 155774), (1097, 126664), (1784, 77887), (2194, 63332), (4388, 31666), (8776, 15833)]