170638775

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{331}}^1\times {\mathrm{1213}}^1$

素因数の和:1571

約数の個数: 24

約数和(自身を含む): 224900784

約数和(自身を除く): 54262009

約数列:

[1, 5, 17, 25, 85, 331, 425, 1213, 1655, 5627, 6065, 8275, 20621, 28135, 30325, 103105, 140675, 401503, 515525, 2007515, 6825551, 10037575, 34127755, 170638775]

約数ペア:

[(1, 170638775), (5, 34127755), (17, 10037575), (25, 6825551), (85, 2007515), (331, 515525), (425, 401503), (1213, 140675), (1655, 103105), (5627, 30325), (6065, 28135), (8275, 20621)]