1398618

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{139}}^1$

素因数の和:203

約数の個数: 48

約数和(自身を含む): 3363360

約数和(自身を除く): 1964742

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 43, 78, 86, 117, 129, 139, 234, 258, 278, 387, 417, 559, 774, 834, 1118, 1251, 1677, 1807, 2502, 3354, 3614, 5031, 5421, 5977, 10062, 10842, 11954, 16263, 17931, 32526, 35862, 53793, 77701, 107586, 155402, 233103, 466206, 699309, 1398618]

約数ペア:

[(1, 1398618), (2, 699309), (3, 466206), (6, 233103), (9, 155402), (13, 107586), (18, 77701), (26, 53793), (39, 35862), (43, 32526), (78, 17931), (86, 16263), (117, 11954), (129, 10842), (139, 10062), (234, 5977), (258, 5421), (278, 5031), (387, 3614), (417, 3354), (559, 2502), (774, 1807), (834, 1677), (1118, 1251)]