26865995

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{199}}^1$

素因数の和:315

約数の個数: 32

約数和(自身を含む): 36556800

約数和(自身を除く): 9690805

約数列:

[1, 5, 13, 31, 65, 67, 155, 199, 335, 403, 871, 995, 2015, 2077, 2587, 4355, 6169, 10385, 12935, 13333, 27001, 30845, 66665, 80197, 135005, 173329, 400985, 413323, 866645, 2066615, 5373199, 26865995]

約数ペア:

[(1, 26865995), (5, 5373199), (13, 2066615), (31, 866645), (65, 413323), (67, 400985), (155, 173329), (199, 135005), (335, 80197), (403, 66665), (871, 30845), (995, 27001), (2015, 13333), (2077, 12935), (2587, 10385), (4355, 6169)]