26287919

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{67}}^1\times {\mathrm{2437}}^1$

素因数の和:2534

約数の個数: 16

約数和(自身を含む): 31830528

約数和(自身を除く): 5542609

約数列:

[1, 7, 23, 67, 161, 469, 1541, 2437, 10787, 17059, 56051, 163279, 392357, 1142953, 3755417, 26287919]

約数ペア:

[(1, 26287919), (7, 3755417), (23, 1142953), (67, 392357), (161, 163279), (469, 56051), (1541, 17059), (2437, 10787)]