8564790

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21961}}^1$

素因数の和:21984

約数の個数: 32

約数和(自身を含む): 22137696

約数和(自身を除く): 13572906

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 21961, 43922, 65883, 109805, 131766, 219610, 285493, 329415, 570986, 658830, 856479, 1427465, 1712958, 2854930, 4282395, 8564790]

約数ペア:

[(1, 8564790), (2, 4282395), (3, 2854930), (5, 1712958), (6, 1427465), (10, 856479), (13, 658830), (15, 570986), (26, 329415), (30, 285493), (39, 219610), (65, 131766), (78, 109805), (130, 65883), (195, 43922), (390, 21961)]