280173313

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{577}}^1\times {\mathrm{977}}^1$

素因数の和:1632

約数の個数: 16

約数和(自身を含む): 325603584

約数和(自身を除く): 45430271

約数列:

[1, 7, 71, 497, 577, 977, 4039, 6839, 40967, 69367, 286769, 485569, 563729, 3946103, 40024759, 280173313]

約数ペア:

[(1, 280173313), (7, 40024759), (71, 3946103), (497, 563729), (577, 485569), (977, 286769), (4039, 69367), (6839, 40967)]