7638606

素因数分解:

$2^1\times 3^2\times {\mathrm{43}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:261

約数の個数: 48

約数和(自身を含む): 17297280

約数和(自身を除く): 9658674

約数列:

[1, 2, 3, 6, 9, 18, 43, 71, 86, 129, 139, 142, 213, 258, 278, 387, 417, 426, 639, 774, 834, 1251, 1278, 2502, 3053, 5977, 6106, 9159, 9869, 11954, 17931, 18318, 19738, 27477, 29607, 35862, 53793, 54954, 59214, 88821, 107586, 177642, 424367, 848734, 1273101, 2546202, 3819303, 7638606]

約数ペア:

[(1, 7638606), (2, 3819303), (3, 2546202), (6, 1273101), (9, 848734), (18, 424367), (43, 177642), (71, 107586), (86, 88821), (129, 59214), (139, 54954), (142, 53793), (213, 35862), (258, 29607), (278, 27477), (387, 19738), (417, 18318), (426, 17931), (639, 11954), (774, 9869), (834, 9159), (1251, 6106), (1278, 5977), (2502, 3053)]