664076

素因数分解:

$2^2\times 7^1\times {\mathrm{37}}^1\times {\mathrm{641}}^1$

素因数の和:689

約数の個数: 24

約数和(自身を含む): 1366176

約数和(自身を除く): 702100

約数列:

[1, 2, 4, 7, 14, 28, 37, 74, 148, 259, 518, 641, 1036, 1282, 2564, 4487, 8974, 17948, 23717, 47434, 94868, 166019, 332038, 664076]

約数ペア:

[(1, 664076), (2, 332038), (4, 166019), (7, 94868), (14, 47434), (28, 23717), (37, 17948), (74, 8974), (148, 4487), (259, 2564), (518, 1282), (641, 1036)]