64987223

素因数分解:

$7^1\times {\mathrm{71}}^1\times {\mathrm{229}}^1\times {\mathrm{571}}^1$

素因数の和:878

約数の個数: 16

約数和(自身を含む): 75778560

約数和(自身を除く): 10791337

約数列:

[1, 7, 71, 229, 497, 571, 1603, 3997, 16259, 40541, 113813, 130759, 283787, 915313, 9283889, 64987223]

約数ペア:

[(1, 64987223), (7, 9283889), (71, 915313), (229, 283787), (497, 130759), (571, 113813), (1603, 40541), (3997, 16259)]