86771893

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{397}}^1$

素因数の和:493

約数の個数: 32

約数和(自身を含む): 105912576

約数和(自身を除く): 19140683

約数列:

[1, 13, 17, 23, 43, 221, 299, 391, 397, 559, 731, 989, 5083, 5161, 6749, 9131, 9503, 12857, 16813, 17071, 87737, 118703, 155227, 218569, 221923, 290207, 392633, 2017951, 3772691, 5104229, 6674761, 86771893]

約数ペア:

[(1, 86771893), (13, 6674761), (17, 5104229), (23, 3772691), (43, 2017951), (221, 392633), (299, 290207), (391, 221923), (397, 218569), (559, 155227), (731, 118703), (989, 87737), (5083, 17071), (5161, 16813), (6749, 12857), (9131, 9503)]