27812638

素因数分解:

$2^1\times 7^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{199}}^1$

素因数の和:424

約数の個数: 32

約数和(自身を含む): 48960000

約数和(自身を除く): 21147362

約数列:

[1, 2, 7, 14, 67, 134, 149, 199, 298, 398, 469, 938, 1043, 1393, 2086, 2786, 9983, 13333, 19966, 26666, 29651, 59302, 69881, 93331, 139762, 186662, 207557, 415114, 1986617, 3973234, 13906319, 27812638]

約数ペア:

[(1, 27812638), (2, 13906319), (7, 3973234), (14, 1986617), (67, 415114), (134, 207557), (149, 186662), (199, 139762), (298, 93331), (398, 69881), (469, 59302), (938, 29651), (1043, 26666), (1393, 19966), (2086, 13333), (2786, 9983)]