68390218

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{359}}^1\times {\mathrm{431}}^1$

素因数の和:822

約数の個数: 32

約数和(自身を含む): 117573120

約数和(自身を除く): 49182902

約数列:

[1, 2, 13, 17, 26, 34, 221, 359, 431, 442, 718, 862, 4667, 5603, 6103, 7327, 9334, 11206, 12206, 14654, 79339, 95251, 154729, 158678, 190502, 309458, 2011477, 2630393, 4022954, 5260786, 34195109, 68390218]

約数ペア:

[(1, 68390218), (2, 34195109), (13, 5260786), (17, 4022954), (26, 2630393), (34, 2011477), (221, 309458), (359, 190502), (431, 158678), (442, 154729), (718, 95251), (862, 79339), (4667, 14654), (5603, 12206), (6103, 11206), (7327, 9334)]