66401008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{133873}}^1$

素因数の和:133912

約数の個数: 20

約数和(自身を含む): 132803008

約数和(自身を除く): 66402000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 133873, 267746, 535492, 1070984, 2141968, 4150063, 8300126, 16600252, 33200504, 66401008]

約数ペア:

[(1, 66401008), (2, 33200504), (4, 16600252), (8, 8300126), (16, 4150063), (31, 2141968), (62, 1070984), (124, 535492), (248, 267746), (496, 133873)]