81225382

素因数分解:

$2^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{42349}}^1$

素因数の和:42495

約数の個数: 16

約数和(自身を含む): 140263200

約数和(自身を除く): 59037818

約数列:

[1, 2, 7, 14, 137, 274, 959, 1918, 42349, 84698, 296443, 592886, 5801813, 11603626, 40612691, 81225382]

約数ペア:

[(1, 81225382), (2, 40612691), (7, 11603626), (14, 5801813), (137, 592886), (274, 296443), (959, 84698), (1918, 42349)]