9999724

素因数分解:

$2^2\times 7^2\times {\mathrm{163}}^1\times {\mathrm{313}}^1$

素因数の和:494

約数の個数: 36

約数和(自身を含む): 20546904

約数和(自身を除く): 10547180

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 163, 196, 313, 326, 626, 652, 1141, 1252, 2191, 2282, 4382, 4564, 7987, 8764, 15337, 15974, 30674, 31948, 51019, 61348, 102038, 204076, 357133, 714266, 1428532, 2499931, 4999862, 9999724]

約数ペア:

[(1, 9999724), (2, 4999862), (4, 2499931), (7, 1428532), (14, 714266), (28, 357133), (49, 204076), (98, 102038), (163, 61348), (196, 51019), (313, 31948), (326, 30674), (626, 15974), (652, 15337), (1141, 8764), (1252, 7987), (2191, 4564), (2282, 4382)]