631985275

素因数分解:

$5^2\times {\mathrm{41}}^1\times {\mathrm{751}}^1\times {\mathrm{821}}^1$

素因数の和:1623

約数の個数: 24

約数和(自身を含む): 804823488

約数和(自身を除く): 172838213

約数列:

[1, 5, 25, 41, 205, 751, 821, 1025, 3755, 4105, 18775, 20525, 30791, 33661, 153955, 168305, 616571, 769775, 841525, 3082855, 15414275, 25279411, 126397055, 631985275]

約数ペア:

[(1, 631985275), (5, 126397055), (25, 25279411), (41, 15414275), (205, 3082855), (751, 841525), (821, 769775), (1025, 616571), (3755, 168305), (4105, 153955), (18775, 33661), (20525, 30791)]