261907778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{384029}}^1$

素因数の和:384073

約数の個数: 16

約数和(自身を含む): 442402560

約数和(自身を除く): 180494782

約数列:

[1, 2, 11, 22, 31, 62, 341, 682, 384029, 768058, 4224319, 8448638, 11904899, 23809798, 130953889, 261907778]

約数ペア:

[(1, 261907778), (2, 130953889), (11, 23809798), (22, 11904899), (31, 8448638), (62, 4224319), (341, 768058), (682, 384029)]