215180694

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{1229}}^1$

素因数の和:1445

約数の個数: 48

約数和(自身を含む): 476629920

約数和(自身を除く): 261449226

約数列:

[1, 2, 3, 6, 9, 18, 71, 137, 142, 213, 274, 411, 426, 639, 822, 1229, 1233, 1278, 2458, 2466, 3687, 7374, 9727, 11061, 19454, 22122, 29181, 58362, 87259, 87543, 168373, 174518, 175086, 261777, 336746, 505119, 523554, 785331, 1010238, 1515357, 1570662, 3030714, 11954483, 23908966, 35863449, 71726898, 107590347, 215180694]

約数ペア:

[(1, 215180694), (2, 107590347), (3, 71726898), (6, 35863449), (9, 23908966), (18, 11954483), (71, 3030714), (137, 1570662), (142, 1515357), (213, 1010238), (274, 785331), (411, 523554), (426, 505119), (639, 336746), (822, 261777), (1229, 175086), (1233, 174518), (1278, 168373), (2458, 87543), (2466, 87259), (3687, 58362), (7374, 29181), (9727, 22122), (11061, 19454)]