25781691

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{12473}}^1$

素因数の和:12542

約数の個数: 16

約数和(自身を含む): 37721376

約数和(自身を除く): 11939685

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 12473, 37419, 162149, 486447, 661069, 1983207, 8593897, 25781691]

約数ペア:

[(1, 25781691), (3, 8593897), (13, 1983207), (39, 661069), (53, 486447), (159, 162149), (689, 37419), (2067, 12473)]