20150618

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1\times {\mathrm{499}}^1$

素因数の和:893

約数の個数: 16

約数和(自身を含む): 30876000

約数和(自身を除く): 10725382

約数列:

[1, 2, 61, 122, 331, 499, 662, 998, 20191, 30439, 40382, 60878, 165169, 330338, 10075309, 20150618]

約数ペア:

[(1, 20150618), (2, 10075309), (61, 330338), (122, 165169), (331, 60878), (499, 40382), (662, 30439), (998, 20191)]