156793975

素因数分解:

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

素因数の和:149

約数の個数: 72

約数和(自身を含む): 232819920

約数和(自身を除く): 76025945

約数列:

[1, 5, 13, 17, 25, 37, 59, 65, 85, 169, 185, 221, 295, 325, 425, 481, 629, 767, 845, 925, 1003, 1105, 1475, 2183, 2405, 2873, 3145, 3835, 4225, 5015, 5525, 6253, 8177, 9971, 10915, 12025, 13039, 14365, 15725, 19175, 25075, 28379, 31265, 37111, 40885, 49855, 54575, 65195, 71825, 106301, 141895, 156325, 169507, 185555, 204425, 249275, 325975, 368927, 482443, 531505, 709475, 847535, 927775, 1844635, 2412215, 2657525, 4237675, 6271759, 9223175, 12061075, 31358795, 156793975]

約数ペア:

[(1, 156793975), (5, 31358795), (13, 12061075), (17, 9223175), (25, 6271759), (37, 4237675), (59, 2657525), (65, 2412215), (85, 1844635), (169, 927775), (185, 847535), (221, 709475), (295, 531505), (325, 482443), (425, 368927), (481, 325975), (629, 249275), (767, 204425), (845, 185555), (925, 169507), (1003, 156325), (1105, 141895), (1475, 106301), (2183, 71825), (2405, 65195), (2873, 54575), (3145, 49855), (3835, 40885), (4225, 37111), (5015, 31265), (5525, 28379), (6253, 25075), (8177, 19175), (9971, 15725), (10915, 14365), (12025, 13039)]