278324514

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{997}}^1\times {\mathrm{1193}}^1$

素因数の和:2211

約数の個数: 48

約数和(自身を含む): 650620152

約数和(自身を除く): 372295638

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 78, 117, 234, 997, 1193, 1994, 2386, 2991, 3579, 5982, 7158, 8973, 10737, 12961, 15509, 17946, 21474, 25922, 31018, 38883, 46527, 77766, 93054, 116649, 139581, 233298, 279162, 1189421, 2378842, 3568263, 7136526, 10704789, 15462473, 21409578, 30924946, 46387419, 92774838, 139162257, 278324514]

約数ペア:

[(1, 278324514), (2, 139162257), (3, 92774838), (6, 46387419), (9, 30924946), (13, 21409578), (18, 15462473), (26, 10704789), (39, 7136526), (78, 3568263), (117, 2378842), (234, 1189421), (997, 279162), (1193, 233298), (1994, 139581), (2386, 116649), (2991, 93054), (3579, 77766), (5982, 46527), (7158, 38883), (8973, 31018), (10737, 25922), (12961, 21474), (15509, 17946)]