331386185

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^2\times {\mathrm{23}}^1\times {\mathrm{59}}^1$

素因数の和:147

約数の個数: 72

約数和(自身を含む): 485403840

約数和(自身を除く): 154017655

約数列:

[1, 5, 13, 17, 23, 59, 65, 85, 115, 169, 221, 289, 295, 299, 391, 767, 845, 1003, 1105, 1357, 1445, 1495, 1955, 2873, 3757, 3835, 3887, 5015, 5083, 6647, 6785, 9971, 13039, 14365, 17051, 17641, 18785, 19435, 23069, 25415, 33235, 48841, 49855, 65195, 66079, 85255, 86411, 88205, 115345, 169507, 221663, 229333, 244205, 299897, 330395, 392173, 432055, 847535, 1108315, 1123343, 1146665, 1499485, 1960865, 2881619, 3898661, 5098249, 5616715, 14408095, 19493305, 25491245, 66277237, 331386185]

約数ペア:

[(1, 331386185), (5, 66277237), (13, 25491245), (17, 19493305), (23, 14408095), (59, 5616715), (65, 5098249), (85, 3898661), (115, 2881619), (169, 1960865), (221, 1499485), (289, 1146665), (295, 1123343), (299, 1108315), (391, 847535), (767, 432055), (845, 392173), (1003, 330395), (1105, 299897), (1357, 244205), (1445, 229333), (1495, 221663), (1955, 169507), (2873, 115345), (3757, 88205), (3835, 86411), (3887, 85255), (5015, 66079), (5083, 65195), (6647, 49855), (6785, 48841), (9971, 33235), (13039, 25415), (14365, 23069), (17051, 19435), (17641, 18785)]