128217425

素因数分解:

$5^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12011}}^1$

素因数の和:12089

約数の個数: 24

約数和(自身を含む): 184696512

約数和(自身を除く): 56479087

約数列:

[1, 5, 7, 25, 35, 61, 175, 305, 427, 1525, 2135, 10675, 12011, 60055, 84077, 300275, 420385, 732671, 2101925, 3663355, 5128697, 18316775, 25643485, 128217425]

約数ペア:

[(1, 128217425), (5, 25643485), (7, 18316775), (25, 5128697), (35, 3663355), (61, 2101925), (175, 732671), (305, 420385), (427, 300275), (1525, 84077), (2135, 60055), (10675, 12011)]