1397893476

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{978917}}^1$

素因数の和:978948

約数の個数: 48

約数和(自身を含む): 3946997376

約数和(自身を除く): 2549103900

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 17, 21, 28, 34, 42, 51, 68, 84, 102, 119, 204, 238, 357, 476, 714, 1428, 978917, 1957834, 2936751, 3915668, 5873502, 6852419, 11747004, 13704838, 16641589, 20557257, 27409676, 33283178, 41114514, 49924767, 66566356, 82229028, 99849534, 116491123, 199699068, 232982246, 349473369, 465964492, 698946738, 1397893476]

約数ペア:

[(1, 1397893476), (2, 698946738), (3, 465964492), (4, 349473369), (6, 232982246), (7, 199699068), (12, 116491123), (14, 99849534), (17, 82229028), (21, 66566356), (28, 49924767), (34, 41114514), (42, 33283178), (51, 27409676), (68, 20557257), (84, 16641589), (102, 13704838), (119, 11747004), (204, 6852419), (238, 5873502), (357, 3915668), (476, 2936751), (714, 1957834), (1428, 978917)]