128971528

素因数分解:

$2^3\times 7^2\times {\mathrm{329009}}^1$

素因数の和:329029

約数の個数: 24

約数和(自身を含む): 281303550

約数和(自身を除く): 152332022

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 98, 196, 392, 329009, 658018, 1316036, 2303063, 2632072, 4606126, 9212252, 16121441, 18424504, 32242882, 64485764, 128971528]

約数ペア:

[(1, 128971528), (2, 64485764), (4, 32242882), (7, 18424504), (8, 16121441), (14, 9212252), (28, 4606126), (49, 2632072), (56, 2303063), (98, 1316036), (196, 658018), (392, 329009)]