1221542786

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{431}}^1\times {\mathrm{2689}}^1$

素因数の和:3170

約数の個数: 32

約数和(自身を含む): 2008074240

約数和(自身を除く): 786531454

約数列:

[1, 2, 17, 31, 34, 62, 431, 527, 862, 1054, 2689, 5378, 7327, 13361, 14654, 26722, 45713, 83359, 91426, 166718, 227137, 454274, 1158959, 1417103, 2317918, 2834206, 19702303, 35927729, 39404606, 71855458, 610771393, 1221542786]

約数ペア:

[(1, 1221542786), (2, 610771393), (17, 71855458), (31, 39404606), (34, 35927729), (62, 19702303), (431, 2834206), (527, 2317918), (862, 1417103), (1054, 1158959), (2689, 454274), (5378, 227137), (7327, 166718), (13361, 91426), (14654, 83359), (26722, 45713)]