291259087

素因数分解:

$7^2\times {\mathrm{97}}^1\times {\mathrm{233}}^1\times {\mathrm{263}}^1$

素因数の和:607

約数の個数: 24

約数和(自身を含む): 345080736

約数和(自身を除く): 53821649

約数列:

[1, 7, 49, 97, 233, 263, 679, 1631, 1841, 4753, 11417, 12887, 22601, 25511, 61279, 158207, 178577, 428953, 1107449, 1250039, 3002671, 5944063, 41608441, 291259087]

約数ペア:

[(1, 291259087), (7, 41608441), (49, 5944063), (97, 3002671), (233, 1250039), (263, 1107449), (679, 428953), (1631, 178577), (1841, 158207), (4753, 61279), (11417, 25511), (12887, 22601)]