129620072

素因数分解:

$2^3\times {\mathrm{491}}^1\times {\mathrm{32999}}^1$

素因数の和:33496

約数の個数: 16

約数和(自身を含む): 243540000

約数和(自身を除く): 113919928

約数列:

[1, 2, 4, 8, 491, 982, 1964, 3928, 32999, 65998, 131996, 263992, 16202509, 32405018, 64810036, 129620072]

約数ペア:

[(1, 129620072), (2, 64810036), (4, 32405018), (8, 16202509), (491, 263992), (982, 131996), (1964, 65998), (3928, 32999)]