128420306

素因数分解:

$2^1\times 7^1\times {\mathrm{283}}^1\times {\mathrm{32413}}^1$

素因数の和:32705

約数の個数: 16

約数和(自身を含む): 220933824

約数和(自身を除く): 92513518

約数列:

[1, 2, 7, 14, 283, 566, 1981, 3962, 32413, 64826, 226891, 453782, 9172879, 18345758, 64210153, 128420306]

約数ペア:

[(1, 128420306), (2, 64210153), (7, 18345758), (14, 9172879), (283, 453782), (566, 226891), (1981, 64826), (3962, 32413)]