204977812

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{64621}}^1$

素因数の和:64699

約数の個数: 24

約数和(自身を含む): 392643272

約数和(自身を除く): 187665460

約数列:

[1, 2, 4, 13, 26, 52, 61, 122, 244, 793, 1586, 3172, 64621, 129242, 258484, 840073, 1680146, 3360292, 3941881, 7883762, 15767524, 51244453, 102488906, 204977812]

約数ペア:

[(1, 204977812), (2, 102488906), (4, 51244453), (13, 15767524), (26, 7883762), (52, 3941881), (61, 3360292), (122, 1680146), (244, 840073), (793, 258484), (1586, 129242), (3172, 64621)]