218696075

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{1721}}^1$

素因数の和:1784

約数の個数: 48

約数和(自身を含む): 322854336

約数和(自身を除く): 104158261

約数列:

[1, 5, 13, 17, 23, 25, 65, 85, 115, 221, 299, 325, 391, 425, 575, 1105, 1495, 1721, 1955, 5083, 5525, 7475, 8605, 9775, 22373, 25415, 29257, 39583, 43025, 111865, 127075, 146285, 197915, 380341, 514579, 559325, 672911, 731425, 989575, 1901705, 2572895, 3364555, 8747843, 9508525, 12864475, 16822775, 43739215, 218696075]

約数ペア:

[(1, 218696075), (5, 43739215), (13, 16822775), (17, 12864475), (23, 9508525), (25, 8747843), (65, 3364555), (85, 2572895), (115, 1901705), (221, 989575), (299, 731425), (325, 672911), (391, 559325), (425, 514579), (575, 380341), (1105, 197915), (1495, 146285), (1721, 127075), (1955, 111865), (5083, 43025), (5525, 39583), (7475, 29257), (8605, 25415), (9775, 22373)]