78567839

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{2131}}^1$

素因数の和:2390

約数の個数: 16

約数和(自身を含む): 94149120

約数和(自身を除く): 15581281

約数列:

[1, 7, 23, 161, 229, 1603, 2131, 5267, 14917, 36869, 49013, 343091, 487999, 3415993, 11223977, 78567839]

約数ペア:

[(1, 78567839), (7, 11223977), (23, 3415993), (161, 487999), (229, 343091), (1603, 49013), (2131, 36869), (5267, 14917)]