28286570

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{7019}}^1$

素因数の和:7070

約数の個数: 32

約数和(自身を含む): 56609280

約数和(自身を除く): 28322710

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 7019, 14038, 35095, 70190, 91247, 182494, 217589, 435178, 456235, 912470, 1087945, 2175890, 2828657, 5657314, 14143285, 28286570]

約数ペア:

[(1, 28286570), (2, 14143285), (5, 5657314), (10, 2828657), (13, 2175890), (26, 1087945), (31, 912470), (62, 456235), (65, 435178), (130, 217589), (155, 182494), (310, 91247), (403, 70190), (806, 35095), (2015, 14038), (4030, 7019)]