1661523565

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{27107}}^1$

素因数の和:27189

約数の個数: 32

約数和(自身を含む): 2295288576

約数和(自身を除く): 633765011

約数列:

[1, 5, 13, 23, 41, 65, 115, 205, 299, 533, 943, 1495, 2665, 4715, 12259, 27107, 61295, 135535, 352391, 623461, 1111387, 1761955, 3117305, 5556935, 8104993, 14448031, 25561901, 40524965, 72240155, 127809505, 332304713, 1661523565]

約数ペア:

[(1, 1661523565), (5, 332304713), (13, 127809505), (23, 72240155), (41, 40524965), (65, 25561901), (115, 14448031), (205, 8104993), (299, 5556935), (533, 3117305), (943, 1761955), (1495, 1111387), (2665, 623461), (4715, 352391), (12259, 135535), (27107, 61295)]