1281871189871

素因数分解:

${\mathrm{71}}^1\times {\mathrm{571}}^1\times {\mathrm{1987}}^1\times {\mathrm{15913}}^1$

素因数の和:18542

約数の個数: 16

約数和(自身を含む): 1302939525888

約数和(自身を除く): 21068336017

約数列:

[1, 71, 571, 1987, 15913, 40541, 141077, 1129823, 1134577, 9086323, 31619131, 80554967, 645128933, 2244958301, 18054523801, 1281871189871]

約数ペア:

[(1, 1281871189871), (71, 18054523801), (571, 2244958301), (1987, 645128933), (15913, 80554967), (40541, 31619131), (141077, 9086323), (1129823, 1134577)]