256251946

素因数分解:

$2^1\times {\mathrm{29}}^1\times {\mathrm{107}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:558

約数の個数: 32

約数和(自身を含む): 405440640

約数和(自身を除く): 149188694

約数列:

[1, 2, 29, 58, 107, 157, 214, 263, 314, 526, 3103, 4553, 6206, 7627, 9106, 15254, 16799, 28141, 33598, 41291, 56282, 82582, 487171, 816089, 974342, 1197439, 1632178, 2394878, 4418137, 8836274, 128125973, 256251946]

約数ペア:

[(1, 256251946), (2, 128125973), (29, 8836274), (58, 4418137), (107, 2394878), (157, 1632178), (214, 1197439), (263, 974342), (314, 816089), (526, 487171), (3103, 82582), (4553, 56282), (6206, 41291), (7627, 33598), (9106, 28141), (15254, 16799)]