73885825

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{311}}^1$

素因数の和:394

約数の個数: 48

約数和(自身を含む): 107243136

約数和(自身を除く): 33357311

約数列:

[1, 5, 13, 17, 25, 43, 65, 85, 215, 221, 311, 325, 425, 559, 731, 1075, 1105, 1555, 2795, 3655, 4043, 5287, 5525, 7775, 9503, 13373, 13975, 18275, 20215, 26435, 47515, 66865, 68731, 101075, 132175, 173849, 227341, 237575, 334325, 343655, 869245, 1136705, 1718275, 2955433, 4346225, 5683525, 14777165, 73885825]

約数ペア:

[(1, 73885825), (5, 14777165), (13, 5683525), (17, 4346225), (25, 2955433), (43, 1718275), (65, 1136705), (85, 869245), (215, 343655), (221, 334325), (311, 237575), (325, 227341), (425, 173849), (559, 132175), (731, 101075), (1075, 68731), (1105, 66865), (1555, 47515), (2795, 26435), (3655, 20215), (4043, 18275), (5287, 13975), (5525, 13373), (7775, 9503)]