89999275

素因数分解:

$5^2\times {\mathrm{17}}^1\times {\mathrm{421}}^1\times {\mathrm{503}}^1$

素因数の和:951

約数の個数: 24

約数和(自身を含む): 118679904

約数和(自身を除く): 28680629

約数列:

[1, 5, 17, 25, 85, 421, 425, 503, 2105, 2515, 7157, 8551, 10525, 12575, 35785, 42755, 178925, 211763, 213775, 1058815, 3599971, 5294075, 17999855, 89999275]

約数ペア:

[(1, 89999275), (5, 17999855), (17, 5294075), (25, 3599971), (85, 1058815), (421, 213775), (425, 211763), (503, 178925), (2105, 42755), (2515, 35785), (7157, 12575), (8551, 10525)]