138312188

素因数分解:

$2^2\times 7^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1\times {\mathrm{571}}^1$

素因数の和:834

約数の個数: 48

約数和(自身を含む): 285212928

約数和(自身を除く): 146900740

約数列:

[1, 2, 4, 7, 14, 28, 41, 82, 164, 211, 287, 422, 571, 574, 844, 1142, 1148, 1477, 2284, 2954, 3997, 5908, 7994, 8651, 15988, 17302, 23411, 34604, 46822, 60557, 93644, 120481, 121114, 163877, 240962, 242228, 327754, 481924, 655508, 843367, 1686734, 3373468, 4939721, 9879442, 19758884, 34578047, 69156094, 138312188]

約数ペア:

[(1, 138312188), (2, 69156094), (4, 34578047), (7, 19758884), (14, 9879442), (28, 4939721), (41, 3373468), (82, 1686734), (164, 843367), (211, 655508), (287, 481924), (422, 327754), (571, 242228), (574, 240962), (844, 163877), (1142, 121114), (1148, 120481), (1477, 93644), (2284, 60557), (2954, 46822), (3997, 34604), (5908, 23411), (7994, 17302), (8651, 15988)]