389552968

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{131251}}^1$

素因数の和:131317

約数の個数: 32

約数和(自身を含む): 850512960

約数和(自身を除く): 460959992

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 106, 212, 371, 424, 742, 1484, 2968, 131251, 262502, 525004, 918757, 1050008, 1837514, 3675028, 6956303, 7350056, 13912606, 27825212, 48694121, 55650424, 97388242, 194776484, 389552968]

約数ペア:

[(1, 389552968), (2, 194776484), (4, 97388242), (7, 55650424), (8, 48694121), (14, 27825212), (28, 13912606), (53, 7350056), (56, 6956303), (106, 3675028), (212, 1837514), (371, 1050008), (424, 918757), (742, 525004), (1484, 262502), (2968, 131251)]