255149713

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{1523}}^1$

素因数の和:1813

約数の個数: 24

約数和(自身を含む): 321064128

約数和(自身を除く): 65914415

約数列:

[1, 7, 13, 49, 91, 263, 637, 1523, 1841, 3419, 10661, 12887, 19799, 23933, 74627, 138593, 167531, 400549, 970151, 2803843, 5207137, 19626901, 36449959, 255149713]

約数ペア:

[(1, 255149713), (7, 36449959), (13, 19626901), (49, 5207137), (91, 2803843), (263, 970151), (637, 400549), (1523, 167531), (1841, 138593), (3419, 74627), (10661, 23933), (12887, 19799)]