1998809969

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{181}}^1\times {\mathrm{467}}^1$

素因数の和:785

約数の個数: 32

約数和(自身を含む): 2318150016

約数和(自身を除く): 319340047

約数列:

[1, 13, 17, 107, 181, 221, 467, 1391, 1819, 2353, 3077, 6071, 7939, 19367, 23647, 40001, 49969, 84527, 103207, 251771, 329239, 649597, 849473, 1098851, 1436959, 4280107, 9044389, 11043149, 18680467, 117577057, 153754613, 1998809969]

約数ペア:

[(1, 1998809969), (13, 153754613), (17, 117577057), (107, 18680467), (181, 11043149), (221, 9044389), (467, 4280107), (1391, 1436959), (1819, 1098851), (2353, 849473), (3077, 649597), (6071, 329239), (7939, 251771), (19367, 103207), (23647, 84527), (40001, 49969)]