205173805

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4127}}^1$

素因数の和:4356

約数の個数: 16

約数和(自身を含む): 251841024

約数和(自身を除く): 46667219

約数列:

[1, 5, 61, 163, 305, 815, 4127, 9943, 20635, 49715, 251747, 672701, 1258735, 3363505, 41034761, 205173805]

約数ペア:

[(1, 205173805), (5, 41034761), (61, 3363505), (163, 1258735), (305, 672701), (815, 251747), (4127, 49715), (9943, 20635)]