128979935

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{907}}^1$

素因数の和:1175

約数の個数: 32

約数和(自身を含む): 188282880

約数和(自身を除く): 59302945

約数列:

[1, 5, 7, 17, 35, 85, 119, 239, 595, 907, 1195, 1673, 4063, 4535, 6349, 8365, 15419, 20315, 28441, 31745, 77095, 107933, 142205, 216773, 539665, 1083865, 1517411, 3685141, 7587055, 18425705, 25795987, 128979935]

約数ペア:

[(1, 128979935), (5, 25795987), (7, 18425705), (17, 7587055), (35, 3685141), (85, 1517411), (119, 1083865), (239, 539665), (595, 216773), (907, 142205), (1195, 107933), (1673, 77095), (4063, 31745), (4535, 28441), (6349, 20315), (8365, 15419)]