291245981

素因数分解:

${\mathrm{13}}^2\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{991}}^1$

素因数の和:1101

約数の個数: 24

約数和(自身を含む): 331121664

約数和(自身を除く): 39875683

約数列:

[1, 13, 37, 47, 169, 481, 611, 991, 1739, 6253, 7943, 12883, 22607, 36667, 46577, 167479, 293891, 476671, 605501, 1723349, 6196723, 7871513, 22403537, 291245981]

約数ペア:

[(1, 291245981), (13, 22403537), (37, 7871513), (47, 6196723), (169, 1723349), (481, 605501), (611, 476671), (991, 293891), (1739, 167479), (6253, 46577), (7943, 36667), (12883, 22607)]