28284968

素因数分解:

$2^3\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{389}}^1$

素因数の和:605

約数の個数: 32

約数和(自身を含む): 54405000

約数和(自身を除く): 26120032

約数列:

[1, 2, 4, 8, 61, 122, 149, 244, 298, 389, 488, 596, 778, 1192, 1556, 3112, 9089, 18178, 23729, 36356, 47458, 57961, 72712, 94916, 115922, 189832, 231844, 463688, 3535621, 7071242, 14142484, 28284968]

約数ペア:

[(1, 28284968), (2, 14142484), (4, 7071242), (8, 3535621), (61, 463688), (122, 231844), (149, 189832), (244, 115922), (298, 94916), (389, 72712), (488, 57961), (596, 47458), (778, 36356), (1192, 23729), (1556, 18178), (3112, 9089)]