12720246

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{2503}}^1$

素因数の和:2537

約数の個数: 48

約数和(自身を含む): 31971072

約数和(自身を除く): 19250826

約数列:

[1, 2, 3, 6, 7, 11, 14, 21, 22, 33, 42, 66, 77, 121, 154, 231, 242, 363, 462, 726, 847, 1694, 2503, 2541, 5006, 5082, 7509, 15018, 17521, 27533, 35042, 52563, 55066, 82599, 105126, 165198, 192731, 302863, 385462, 578193, 605726, 908589, 1156386, 1817178, 2120041, 4240082, 6360123, 12720246]

約数ペア:

[(1, 12720246), (2, 6360123), (3, 4240082), (6, 2120041), (7, 1817178), (11, 1156386), (14, 908589), (21, 605726), (22, 578193), (33, 385462), (42, 302863), (66, 192731), (77, 165198), (121, 105126), (154, 82599), (231, 55066), (242, 52563), (363, 35042), (462, 27533), (726, 17521), (847, 15018), (1694, 7509), (2503, 5082), (2541, 5006)]