66722747

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{449}}^1$

素因数の和:563

約数の個数: 32

約数和(自身を含む): 87091200

約数和(自身を除く): 20368453

約数列:

[1, 7, 13, 23, 71, 91, 161, 299, 449, 497, 923, 1633, 2093, 3143, 5837, 6461, 10327, 11431, 21229, 31879, 40859, 72289, 134251, 148603, 223153, 414427, 733217, 939757, 2900989, 5132519, 9531821, 66722747]

約数ペア:

[(1, 66722747), (7, 9531821), (13, 5132519), (23, 2900989), (71, 939757), (91, 733217), (161, 414427), (299, 223153), (449, 148603), (497, 134251), (923, 72289), (1633, 40859), (2093, 31879), (3143, 21229), (5837, 11431), (6461, 10327)]