66438316

素因数分解:

$2^2\times 7^2\times {\mathrm{419}}^1\times {\mathrm{809}}^1$

素因数の和:1246

約数の個数: 36

約数和(自身を含む): 135739800

約数和(自身を除く): 69301484

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 419, 809, 838, 1618, 1676, 2933, 3236, 5663, 5866, 11326, 11732, 20531, 22652, 39641, 41062, 79282, 82124, 158564, 338971, 677942, 1355884, 2372797, 4745594, 9491188, 16609579, 33219158, 66438316]

約数ペア:

[(1, 66438316), (2, 33219158), (4, 16609579), (7, 9491188), (14, 4745594), (28, 2372797), (49, 1355884), (98, 677942), (196, 338971), (419, 158564), (809, 82124), (838, 79282), (1618, 41062), (1676, 39641), (2933, 22652), (3236, 20531), (5663, 11732), (5866, 11326)]