128163928

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{181}}^1\times {\mathrm{1451}}^1$

素因数の和:1699

約数の個数: 32

約数和(自身を含む): 245765520

約数和(自身を除く): 117601592

約数列:

[1, 2, 4, 8, 61, 122, 181, 244, 362, 488, 724, 1448, 1451, 2902, 5804, 11041, 11608, 22082, 44164, 88328, 88511, 177022, 262631, 354044, 525262, 708088, 1050524, 2101048, 16020491, 32040982, 64081964, 128163928]

約数ペア:

[(1, 128163928), (2, 64081964), (4, 32040982), (8, 16020491), (61, 2101048), (122, 1050524), (181, 708088), (244, 525262), (362, 354044), (488, 262631), (724, 177022), (1448, 88511), (1451, 88328), (2902, 44164), (5804, 22082), (11041, 11608)]