65781008

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{132623}}^1$

素因数の和:132662

約数の個数: 20

約数和(自身を含む): 131563008

約数和(自身を除く): 65782000

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 132623, 265246, 530492, 1060984, 2121968, 4111313, 8222626, 16445252, 32890504, 65781008]

約数ペア:

[(1, 65781008), (2, 32890504), (4, 16445252), (8, 8222626), (16, 4111313), (31, 2121968), (62, 1060984), (124, 530492), (248, 265246), (496, 132623)]