28901528054

素因数分解:

$2^1\times 7^1\times {\mathrm{15731}}^1\times {\mathrm{131231}}^1$

素因数の和:146971

約数の個数: 16

約数和(自身を含む): 49549003776

約数和(自身を除く): 20647475722

約数列:

[1, 2, 7, 14, 15731, 31462, 110117, 131231, 220234, 262462, 918617, 1837234, 2064394861, 4128789722, 14450764027, 28901528054]

約数ペア:

[(1, 28901528054), (2, 14450764027), (7, 4128789722), (14, 2064394861), (15731, 1837234), (31462, 918617), (110117, 262462), (131231, 220234)]