1261988216

素因数分解:

$2^3\times {\mathrm{557}}^1\times {\mathrm{283211}}^1$

素因数の和:283774

約数の個数: 16

約数和(自身を含む): 2370484440

約数和(自身を除く): 1108496224

約数列:

[1, 2, 4, 8, 557, 1114, 2228, 4456, 283211, 566422, 1132844, 2265688, 157748527, 315497054, 630994108, 1261988216]

約数ペア:

[(1, 1261988216), (2, 630994108), (4, 315497054), (8, 157748527), (557, 2265688), (1114, 1132844), (2228, 566422), (4456, 283211)]