2178638

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{47}}^1$

素因数の和:117

約数の個数: 48

約数和(自身を含む): 4333824

約数和(自身を除く): 2155186

約数列:

[1, 2, 7, 11, 14, 22, 43, 47, 49, 77, 86, 94, 98, 154, 301, 329, 473, 517, 539, 602, 658, 946, 1034, 1078, 2021, 2107, 2303, 3311, 3619, 4042, 4214, 4606, 6622, 7238, 14147, 22231, 23177, 25333, 28294, 44462, 46354, 50666, 99029, 155617, 198058, 311234, 1089319, 2178638]

約数ペア:

[(1, 2178638), (2, 1089319), (7, 311234), (11, 198058), (14, 155617), (22, 99029), (43, 50666), (47, 46354), (49, 44462), (77, 28294), (86, 25333), (94, 23177), (98, 22231), (154, 14147), (301, 7238), (329, 6622), (473, 4606), (517, 4214), (539, 4042), (602, 3619), (658, 3311), (946, 2303), (1034, 2107), (1078, 2021)]