1389640782

素因数分解:

$2^1\times 3^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{68543}}^1$

素因数の和:68688

約数の個数: 32

約数和(自身を含む): 2895298560

約数和(自身を除く): 1505657778

約数列:

[1, 2, 3, 6, 31, 62, 93, 109, 186, 218, 327, 654, 3379, 6758, 10137, 20274, 68543, 137086, 205629, 411258, 2124833, 4249666, 6374499, 7471187, 12748998, 14942374, 22413561, 44827122, 231606797, 463213594, 694820391, 1389640782]

約数ペア:

[(1, 1389640782), (2, 694820391), (3, 463213594), (6, 231606797), (31, 44827122), (62, 22413561), (93, 14942374), (109, 12748998), (186, 7471187), (218, 6374499), (327, 4249666), (654, 2124833), (3379, 411258), (6758, 205629), (10137, 137086), (20274, 68543)]