1228016685

素因数分解:

$3^1\times 5^1\times 7^2\times {\mathrm{79}}^1\times {\mathrm{21149}}^1$

素因数の和:21250

約数の個数: 48

約数和(自身を含む): 2314656000

約数和(自身を除く): 1086639315

約数列:

[1, 3, 5, 7, 15, 21, 35, 49, 79, 105, 147, 237, 245, 395, 553, 735, 1185, 1659, 2765, 3871, 8295, 11613, 19355, 21149, 58065, 63447, 105745, 148043, 317235, 444129, 740215, 1036301, 1670771, 2220645, 3108903, 5012313, 5181505, 8353855, 11695397, 15544515, 25061565, 35086191, 58476985, 81867779, 175430955, 245603337, 409338895, 1228016685]

約数ペア:

[(1, 1228016685), (3, 409338895), (5, 245603337), (7, 175430955), (15, 81867779), (21, 58476985), (35, 35086191), (49, 25061565), (79, 15544515), (105, 11695397), (147, 8353855), (237, 5181505), (245, 5012313), (395, 3108903), (553, 2220645), (735, 1670771), (1185, 1036301), (1659, 740215), (2765, 444129), (3871, 317235), (8295, 148043), (11613, 105745), (19355, 63447), (21149, 58065)]