128915690

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{560503}}^1$

素因数の和:560533

約数の個数: 16

約数和(自身を含む): 242137728

約数和(自身を除く): 113222038

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 560503, 1121006, 2802515, 5605030, 12891569, 25783138, 64457845, 128915690]

約数ペア:

[(1, 128915690), (2, 64457845), (5, 25783138), (10, 12891569), (23, 5605030), (46, 2802515), (115, 1121006), (230, 560503)]