56897009

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^2\times {\mathrm{139}}^1$

素因数の和:249

約数の個数: 24

約数和(自身を含む): 66185280

約数和(自身を除く): 9288271

約数列:

[1, 13, 23, 37, 139, 299, 481, 851, 1369, 1807, 3197, 5143, 11063, 17797, 31487, 41561, 66859, 118289, 190291, 409331, 1537757, 2473783, 4376693, 56897009]

約数ペア:

[(1, 56897009), (13, 4376693), (23, 2473783), (37, 1537757), (139, 409331), (299, 190291), (481, 118289), (851, 66859), (1369, 41561), (1807, 31487), (3197, 17797), (5143, 11063)]