25316564

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{443}}^1$

素因数の和:624

約数の個数: 48

約数和(自身を含む): 54999168

約数和(自身を除く): 29682604

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 157, 182, 314, 364, 443, 628, 886, 1099, 1772, 2041, 2198, 3101, 4082, 4396, 5759, 6202, 8164, 11518, 12404, 14287, 23036, 28574, 40313, 57148, 69551, 80626, 139102, 161252, 278204, 486857, 904163, 973714, 1808326, 1947428, 3616652, 6329141, 12658282, 25316564]

約数ペア:

[(1, 25316564), (2, 12658282), (4, 6329141), (7, 3616652), (13, 1947428), (14, 1808326), (26, 973714), (28, 904163), (52, 486857), (91, 278204), (157, 161252), (182, 139102), (314, 80626), (364, 69551), (443, 57148), (628, 40313), (886, 28574), (1099, 23036), (1772, 14287), (2041, 12404), (2198, 11518), (3101, 8164), (4082, 6202), (4396, 5759)]