278801042

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{345907}}^1$

素因数の和:345953

約数の個数: 16

約数和(自身を含む): 464900352

約数和(自身を除く): 186099310

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 345907, 691814, 4496791, 8993582, 10723117, 21446234, 139400521, 278801042]

約数ペア:

[(1, 278801042), (2, 139400521), (13, 21446234), (26, 10723117), (31, 8993582), (62, 4496791), (403, 691814), (806, 345907)]