201991621

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{463}}^1\times {\mathrm{907}}^1$

素因数の和:1420

約数の個数: 16

約数和(自身を含む): 224137984

約数和(自身を除く): 22146363

約数列:

[1, 13, 37, 463, 481, 907, 6019, 11791, 17131, 33559, 222703, 419941, 436267, 5459233, 15537817, 201991621]

約数ペア:

[(1, 201991621), (13, 15537817), (37, 5459233), (463, 436267), (481, 419941), (907, 222703), (6019, 33559), (11791, 17131)]