16856125

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:103

約数の個数: 64

約数和(自身を含む): 26417664

約数和(自身を除く): 9561539

約数列:

[1, 5, 11, 13, 23, 25, 41, 55, 65, 115, 125, 143, 205, 253, 275, 299, 325, 451, 533, 575, 715, 943, 1025, 1265, 1375, 1495, 1625, 2255, 2665, 2875, 3289, 3575, 4715, 5125, 5863, 6325, 7475, 10373, 11275, 12259, 13325, 16445, 17875, 23575, 29315, 31625, 37375, 51865, 56375, 61295, 66625, 82225, 117875, 134849, 146575, 259325, 306475, 411125, 674245, 732875, 1296625, 1532375, 3371225, 16856125]

約数ペア:

[(1, 16856125), (5, 3371225), (11, 1532375), (13, 1296625), (23, 732875), (25, 674245), (41, 411125), (55, 306475), (65, 259325), (115, 146575), (125, 134849), (143, 117875), (205, 82225), (253, 66625), (275, 61295), (299, 56375), (325, 51865), (451, 37375), (533, 31625), (575, 29315), (715, 23575), (943, 17875), (1025, 16445), (1265, 13325), (1375, 12259), (1495, 11275), (1625, 10373), (2255, 7475), (2665, 6325), (2875, 5863), (3289, 5125), (3575, 4715)]