2649725

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1$

素因数の和:317

約数の個数: 24

約数和(自身を含む): 3666432

約数和(自身を除く): 1016707

約数列:

[1, 5, 13, 25, 31, 65, 155, 263, 325, 403, 775, 1315, 2015, 3419, 6575, 8153, 10075, 17095, 40765, 85475, 105989, 203825, 529945, 2649725]

約数ペア:

[(1, 2649725), (5, 529945), (13, 203825), (25, 105989), (31, 85475), (65, 40765), (155, 17095), (263, 10075), (325, 8153), (403, 6575), (775, 3419), (1315, 2015)]