51137008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{245851}}^1$

素因数の和:245872

約数の個数: 20

約数和(自身を含む): 106699768

約数和(自身を除く): 55562760

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 245851, 491702, 983404, 1966808, 3196063, 3933616, 6392126, 12784252, 25568504, 51137008]

約数ペア:

[(1, 51137008), (2, 25568504), (4, 12784252), (8, 6392126), (13, 3933616), (16, 3196063), (26, 1966808), (52, 983404), (104, 491702), (208, 245851)]