99881579

素因数分解:

$7^1\times {\mathrm{17}}^2\times {\mathrm{97}}^1\times {\mathrm{509}}^1$

素因数の和:647

約数の個数: 24

約数和(自身を含む): 122750880

約数和(自身を除く): 22869301

約数列:

[1, 7, 17, 97, 119, 289, 509, 679, 1649, 2023, 3563, 8653, 11543, 28033, 49373, 60571, 147101, 196231, 345611, 839341, 1029707, 5875387, 14268797, 99881579]

約数ペア:

[(1, 99881579), (7, 14268797), (17, 5875387), (97, 1029707), (119, 839341), (289, 345611), (509, 196231), (679, 147101), (1649, 60571), (2023, 49373), (3563, 28033), (8653, 11543)]