4027205

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{167}}^1$

素因数の和:245

約数の個数: 32

約数和(自身を含む): 6096384

約数和(自身を除く): 2069179

約数列:

[1, 5, 7, 13, 35, 53, 65, 91, 167, 265, 371, 455, 689, 835, 1169, 1855, 2171, 3445, 4823, 5845, 8851, 10855, 15197, 24115, 44255, 61957, 75985, 115063, 309785, 575315, 805441, 4027205]

約数ペア:

[(1, 4027205), (5, 805441), (7, 575315), (13, 309785), (35, 115063), (53, 75985), (65, 61957), (91, 44255), (167, 24115), (265, 15197), (371, 10855), (455, 8851), (689, 5845), (835, 4823), (1169, 3445), (1855, 2171)]