261016670

素因数分解:

$2^1\times 5^1\times {\mathrm{331}}^1\times {\mathrm{78857}}^1$

素因数の和:79195

約数の個数: 16

約数和(自身を含む): 471255408

約数和(自身を除く): 210238738

約数列:

[1, 2, 5, 10, 331, 662, 1655, 3310, 78857, 157714, 394285, 788570, 26101667, 52203334, 130508335, 261016670]

約数ペア:

[(1, 261016670), (2, 130508335), (5, 52203334), (10, 26101667), (331, 788570), (662, 394285), (1655, 157714), (3310, 78857)]