25131085

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{79}}^1\times {\mathrm{149}}^1$

素因数の和:301

約数の個数: 32

約数和(自身を含む): 35712000

約数和(自身を除く): 10580915

約数列:

[1, 5, 7, 35, 61, 79, 149, 305, 395, 427, 553, 745, 1043, 2135, 2765, 4819, 5215, 9089, 11771, 24095, 33733, 45445, 58855, 63623, 82397, 168665, 318115, 411985, 718031, 3590155, 5026217, 25131085]

約数ペア:

[(1, 25131085), (5, 5026217), (7, 3590155), (35, 718031), (61, 411985), (79, 318115), (149, 168665), (305, 82397), (395, 63623), (427, 58855), (553, 45445), (745, 33733), (1043, 24095), (2135, 11771), (2765, 9089), (4819, 5215)]