71982617

素因数分解:

$7^2\times {\mathrm{23}}^2\times {\mathrm{2777}}^1$

素因数の和:2837

約数の個数: 18

約数和(自身を含む): 87565338

約数和(自身を除く): 15582721

約数列:

[1, 7, 23, 49, 161, 529, 1127, 2777, 3703, 19439, 25921, 63871, 136073, 447097, 1469033, 3129679, 10283231, 71982617]

約数ペア:

[(1, 71982617), (7, 10283231), (23, 3129679), (49, 1469033), (161, 447097), (529, 136073), (1127, 63871), (2777, 25921), (3703, 19439)]