28811695

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{349}}^1$

素因数の和:463

約数の個数: 32

約数和(自身を含む): 40320000

約数和(自身を除く): 11508305

約数列:

[1, 5, 11, 19, 55, 79, 95, 209, 349, 395, 869, 1045, 1501, 1745, 3839, 4345, 6631, 7505, 16511, 19195, 27571, 33155, 72941, 82555, 137855, 303281, 364705, 523849, 1516405, 2619245, 5762339, 28811695]

約数ペア:

[(1, 28811695), (5, 5762339), (11, 2619245), (19, 1516405), (55, 523849), (79, 364705), (95, 303281), (209, 137855), (349, 82555), (395, 72941), (869, 33155), (1045, 27571), (1501, 19195), (1745, 16511), (3839, 7505), (4345, 6631)]