128691508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:720

約数の個数: 48

約数和(自身を含む): 253108800

約数和(自身を除く): 124417292

約数列:

[1, 2, 4, 11, 22, 44, 59, 89, 118, 178, 236, 356, 557, 649, 979, 1114, 1298, 1958, 2228, 2596, 3916, 5251, 6127, 10502, 12254, 21004, 24508, 32863, 49573, 57761, 65726, 99146, 115522, 131452, 198292, 231044, 361493, 545303, 722986, 1090606, 1445972, 2181212, 2924807, 5849614, 11699228, 32172877, 64345754, 128691508]

約数ペア:

[(1, 128691508), (2, 64345754), (4, 32172877), (11, 11699228), (22, 5849614), (44, 2924807), (59, 2181212), (89, 1445972), (118, 1090606), (178, 722986), (236, 545303), (356, 361493), (557, 231044), (649, 198292), (979, 131452), (1114, 115522), (1298, 99146), (1958, 65726), (2228, 57761), (2596, 49573), (3916, 32863), (5251, 24508), (6127, 21004), (10502, 12254)]