31358795

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1$

素因数の和:144

約数の個数: 48

約数和(自身を含む): 45061920

約数和(自身を除く): 13703125

約数列:

[1, 5, 13, 17, 37, 59, 65, 85, 169, 185, 221, 295, 481, 629, 767, 845, 1003, 1105, 2183, 2405, 2873, 3145, 3835, 5015, 6253, 8177, 9971, 10915, 13039, 14365, 28379, 31265, 37111, 40885, 49855, 65195, 106301, 141895, 169507, 185555, 368927, 482443, 531505, 847535, 1844635, 2412215, 6271759, 31358795]

約数ペア:

[(1, 31358795), (5, 6271759), (13, 2412215), (17, 1844635), (37, 847535), (59, 531505), (65, 482443), (85, 368927), (169, 185555), (185, 169507), (221, 141895), (295, 106301), (481, 65195), (629, 49855), (767, 40885), (845, 37111), (1003, 31265), (1105, 28379), (2183, 14365), (2405, 13039), (2873, 10915), (3145, 9971), (3835, 8177), (5015, 6253)]