1991411135

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1073537}}^1$

素因数の和:1073602

約数の個数: 16

約数和(自身を含む): 2782610496

約数和(自身を除く): 791199361

約数列:

[1, 5, 7, 35, 53, 265, 371, 1855, 1073537, 5367685, 7514759, 37573795, 56897461, 284487305, 398282227, 1991411135]

約数ペア:

[(1, 1991411135), (5, 398282227), (7, 284487305), (35, 56897461), (53, 37573795), (265, 7514759), (371, 5367685), (1855, 1073537)]