28052830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{6961}}^1$

素因数の和:7012

約数の個数: 32

約数和(自身を含む): 56141568

約数和(自身を除く): 28088738

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 6961, 13922, 34805, 69610, 90493, 180986, 215791, 431582, 452465, 904930, 1078955, 2157910, 2805283, 5610566, 14026415, 28052830]

約数ペア:

[(1, 28052830), (2, 14026415), (5, 5610566), (10, 2805283), (13, 2157910), (26, 1078955), (31, 904930), (62, 452465), (65, 431582), (130, 215791), (155, 180986), (310, 90493), (403, 69610), (806, 34805), (2015, 13922), (4030, 6961)]