11981090

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{149}}^1$

素因数の和:227

約数の個数: 64

約数和(自身を含む): 25660800

約数和(自身を除く): 13679710

約数列:

[1, 2, 5, 10, 11, 17, 22, 34, 43, 55, 85, 86, 110, 149, 170, 187, 215, 298, 374, 430, 473, 731, 745, 935, 946, 1462, 1490, 1639, 1870, 2365, 2533, 3278, 3655, 4730, 5066, 6407, 7310, 8041, 8195, 12665, 12814, 16082, 16390, 25330, 27863, 32035, 40205, 55726, 64070, 70477, 80410, 108919, 139315, 140954, 217838, 278630, 352385, 544595, 704770, 1089190, 1198109, 2396218, 5990545, 11981090]

約数ペア:

[(1, 11981090), (2, 5990545), (5, 2396218), (10, 1198109), (11, 1089190), (17, 704770), (22, 544595), (34, 352385), (43, 278630), (55, 217838), (85, 140954), (86, 139315), (110, 108919), (149, 80410), (170, 70477), (187, 64070), (215, 55726), (298, 40205), (374, 32035), (430, 27863), (473, 25330), (731, 16390), (745, 16082), (935, 12814), (946, 12665), (1462, 8195), (1490, 8041), (1639, 7310), (1870, 6407), (2365, 5066), (2533, 4730), (3278, 3655)]