81678224

素因数分解:

$2^4\times {\mathrm{149}}^1\times {\mathrm{34261}}^1$

素因数の和:34418

約数の個数: 20

約数和(自身を含む): 159318300

約数和(自身を除く): 77640076

約数列:

[1, 2, 4, 8, 16, 149, 298, 596, 1192, 2384, 34261, 68522, 137044, 274088, 548176, 5104889, 10209778, 20419556, 40839112, 81678224]

約数ペア:

[(1, 81678224), (2, 40839112), (4, 20419556), (8, 10209778), (16, 5104889), (149, 548176), (298, 274088), (596, 137044), (1192, 68522), (2384, 34261)]