25990047

素因数分解:

$3^2\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{457}}^1$

素因数の和:623

約数の個数: 24

約数和(自身を含む): 38581920

約数和(自身を除く): 12591873

約数列:

[1, 3, 9, 71, 89, 213, 267, 457, 639, 801, 1371, 4113, 6319, 18957, 32447, 40673, 56871, 97341, 122019, 292023, 366057, 2887783, 8663349, 25990047]

約数ペア:

[(1, 25990047), (3, 8663349), (9, 2887783), (71, 366057), (89, 292023), (213, 122019), (267, 97341), (457, 56871), (639, 40673), (801, 32447), (1371, 18957), (4113, 6319)]