25828491

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{163}}^1\times {\mathrm{239}}^1$

素因数の和:435

約数の個数: 32

約数和(自身を含む): 39674880

約数和(自身を除く): 13846389

約数列:

[1, 3, 13, 17, 39, 51, 163, 221, 239, 489, 663, 717, 2119, 2771, 3107, 4063, 6357, 8313, 9321, 12189, 36023, 38957, 52819, 108069, 116871, 158457, 506441, 662269, 1519323, 1986807, 8609497, 25828491]

約数ペア:

[(1, 25828491), (3, 8609497), (13, 1986807), (17, 1519323), (39, 662269), (51, 506441), (163, 158457), (221, 116871), (239, 108069), (489, 52819), (663, 38957), (717, 36023), (2119, 12189), (2771, 9321), (3107, 8313), (4063, 6357)]