81430288

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{34157}}^1$

素因数の和:34314

約数の個数: 20

約数和(自身を含む): 158834700

約数和(自身を除く): 77404412

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 34157, 68314, 136628, 273256, 546512, 5089393, 10178786, 20357572, 40715144, 81430288]

約数ペア:

[(1, 81430288), (2, 40715144), (4, 20357572), (8, 10178786), (16, 5089393), (149, 546512), (298, 273256), (596, 136628), (1192, 68314), (2384, 34157)]