128661608

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{392261}}^1$

素因数の和:392308

約数の個数: 16

約数和(自身を含む): 247125060

約数和(自身を除く): 118463452

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 392261, 784522, 1569044, 3138088, 16082701, 32165402, 64330804, 128661608]

約数ペア:

[(1, 128661608), (2, 64330804), (4, 32165402), (8, 16082701), (41, 3138088), (82, 1569044), (164, 784522), (328, 392261)]