86616790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{21493}}^1$

素因数の和:21544

約数の個数: 32

約数和(自身を含む): 173327616

約数和(自身を除く): 86710826

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 403, 806, 2015, 4030, 21493, 42986, 107465, 214930, 279409, 558818, 666283, 1332566, 1397045, 2794090, 3331415, 6662830, 8661679, 17323358, 43308395, 86616790]

約数ペア:

[(1, 86616790), (2, 43308395), (5, 17323358), (10, 8661679), (13, 6662830), (26, 3331415), (31, 2794090), (62, 1397045), (65, 1332566), (130, 666283), (155, 558818), (310, 279409), (403, 214930), (806, 107465), (2015, 42986), (4030, 21493)]