209648155

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{163}}^1\times {\mathrm{4217}}^1$

素因数の和:4446

約数の個数: 16

約数和(自身を含む): 257331744

約数和(自身を除く): 47683589

約数列:

[1, 5, 61, 163, 305, 815, 4217, 9943, 21085, 49715, 257237, 687371, 1286185, 3436855, 41929631, 209648155]

約数ペア:

[(1, 209648155), (5, 41929631), (61, 3436855), (163, 1286185), (305, 687371), (815, 257237), (4217, 49715), (9943, 21085)]