257281668

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{1020959}}^1$

素因数の和:1020976

約数の個数: 36

約数和(自身を含む): 743258880

約数和(自身を除く): 485977212

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 1020959, 2041918, 3062877, 4083836, 6125754, 7146713, 9188631, 12251508, 14293426, 18377262, 21440139, 28586852, 36754524, 42880278, 64320417, 85760556, 128640834, 257281668]

約数ペア:

[(1, 257281668), (2, 128640834), (3, 85760556), (4, 64320417), (6, 42880278), (7, 36754524), (9, 28586852), (12, 21440139), (14, 18377262), (18, 14293426), (21, 12251508), (28, 9188631), (36, 7146713), (42, 6125754), (63, 4083836), (84, 3062877), (126, 2041918), (252, 1020959)]