201990904778

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{250609063}}^1$

素因数の和:250609109

約数の個数: 16

約数和(自身を含む): 336818582016

約数和(自身を除く): 134827677238

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 250609063, 501218126, 3257917819, 6515835638, 7768880953, 15537761906, 100995452389, 201990904778]

約数ペア:

[(1, 201990904778), (2, 100995452389), (13, 15537761906), (26, 7768880953), (31, 6515835638), (62, 3257917819), (403, 501218126), (806, 250609063)]