27728870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{12547}}^1$

素因数の和:12584

約数の個数: 32

約数和(自身を含む): 56917728

約数和(自身を除く): 29188858

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 65, 85, 130, 170, 221, 442, 1105, 2210, 12547, 25094, 62735, 125470, 163111, 213299, 326222, 426598, 815555, 1066495, 1631110, 2132990, 2772887, 5545774, 13864435, 27728870]

約数ペア:

[(1, 27728870), (2, 13864435), (5, 5545774), (10, 2772887), (13, 2132990), (17, 1631110), (26, 1066495), (34, 815555), (65, 426598), (85, 326222), (130, 213299), (170, 163111), (221, 125470), (442, 62735), (1105, 25094), (2210, 12547)]