28926865

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{137}}^1\times {\mathrm{349}}^1$

素因数の和:513

約数の個数: 24

約数和(自身を含む): 38543400

約数和(自身を除く): 9616535

約数列:

[1, 5, 11, 55, 121, 137, 349, 605, 685, 1507, 1745, 3839, 7535, 16577, 19195, 42229, 47813, 82885, 211145, 239065, 525943, 2629715, 5785373, 28926865]

約数ペア:

[(1, 28926865), (5, 5785373), (11, 2629715), (55, 525943), (121, 239065), (137, 211145), (349, 82885), (605, 47813), (685, 42229), (1507, 19195), (1745, 16577), (3839, 7535)]