908009557

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{313}}^1\times {\mathrm{449}}^1$

素因数の和:853

約数の個数: 32

約数和(自身を含む): 1139443200

約数和(自身を除く): 231433643

約数列:

[1, 7, 13, 71, 91, 313, 449, 497, 923, 2191, 3143, 4069, 5837, 6461, 22223, 28483, 31879, 40859, 140537, 155561, 223153, 288899, 414427, 983759, 1826981, 2022293, 2900989, 9978127, 12788867, 69846889, 129715651, 908009557]

約数ペア:

[(1, 908009557), (7, 129715651), (13, 69846889), (71, 12788867), (91, 9978127), (313, 2900989), (449, 2022293), (497, 1826981), (923, 983759), (2191, 414427), (3143, 288899), (4069, 223153), (5837, 155561), (6461, 140537), (22223, 40859), (28483, 31879)]