278330668

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{433}}^1\times {\mathrm{2087}}^1$

素因数の和:2542

約数の個数: 48

約数和(自身を含む): 608961024

約数和(自身を除く): 330630356

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 154, 308, 433, 866, 1732, 2087, 3031, 4174, 4763, 6062, 8348, 9526, 12124, 14609, 19052, 22957, 29218, 33341, 45914, 58436, 66682, 91828, 133364, 160699, 321398, 642796, 903671, 1807342, 3614684, 6325697, 9940381, 12651394, 19880762, 25302788, 39761524, 69582667, 139165334, 278330668]

約数ペア:

[(1, 278330668), (2, 139165334), (4, 69582667), (7, 39761524), (11, 25302788), (14, 19880762), (22, 12651394), (28, 9940381), (44, 6325697), (77, 3614684), (154, 1807342), (308, 903671), (433, 642796), (866, 321398), (1732, 160699), (2087, 133364), (3031, 91828), (4174, 66682), (4763, 58436), (6062, 45914), (8348, 33341), (9526, 29218), (12124, 22957), (14609, 19052)]