9991315

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{283}}^1\times {\mathrm{307}}^1$

素因数の和:618

約数の個数: 16

約数和(自身を含む): 12595968

約数和(自身を除く): 2604653

約数列:

[1, 5, 23, 115, 283, 307, 1415, 1535, 6509, 7061, 32545, 35305, 86881, 434405, 1998263, 9991315]

約数ペア:

[(1, 9991315), (5, 1998263), (23, 434405), (115, 86881), (283, 35305), (307, 32545), (1415, 7061), (1535, 6509)]