25918945

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:745

約数の個数: 32

約数和(自身を含む): 36449280

約数和(自身を除く): 10530335

約数列:

[1, 5, 13, 19, 31, 65, 95, 155, 247, 403, 589, 677, 1235, 2015, 2945, 3385, 7657, 8801, 12863, 20987, 38285, 44005, 64315, 104935, 167219, 272831, 398753, 836095, 1364155, 1993765, 5183789, 25918945]

約数ペア:

[(1, 25918945), (5, 5183789), (13, 1993765), (19, 1364155), (31, 836095), (65, 398753), (95, 272831), (155, 167219), (247, 104935), (403, 64315), (589, 44005), (677, 38285), (1235, 20987), (2015, 12863), (2945, 8801), (3385, 7657)]