65684225

素因数分解:

$5^2\times {\mathrm{53}}^1\times {\mathrm{89}}^1\times {\mathrm{557}}^1$

素因数の和:709

約数の個数: 24

約数和(自身を含む): 84068280

約数和(自身を除く): 18384055

約数列:

[1, 5, 25, 53, 89, 265, 445, 557, 1325, 2225, 2785, 4717, 13925, 23585, 29521, 49573, 117925, 147605, 247865, 738025, 1239325, 2627369, 13136845, 65684225]

約数ペア:

[(1, 65684225), (5, 13136845), (25, 2627369), (53, 1239325), (89, 738025), (265, 247865), (445, 147605), (557, 117925), (1325, 49573), (2225, 29521), (2785, 23585), (4717, 13925)]