138049268

素因数分解:

$2^2\times 7^3\times {\mathrm{239}}^1\times {\mathrm{421}}^1$

素因数の和:685

約数の個数: 48

約数和(自身を含む): 283584000

約数和(自身を除く): 145534732

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 239, 343, 421, 478, 686, 842, 956, 1372, 1673, 1684, 2947, 3346, 5894, 6692, 11711, 11788, 20629, 23422, 41258, 46844, 81977, 82516, 100619, 144403, 163954, 201238, 288806, 327908, 402476, 577612, 704333, 1408666, 2817332, 4930331, 9860662, 19721324, 34512317, 69024634, 138049268]

約数ペア:

[(1, 138049268), (2, 69024634), (4, 34512317), (7, 19721324), (14, 9860662), (28, 4930331), (49, 2817332), (98, 1408666), (196, 704333), (239, 577612), (343, 402476), (421, 327908), (478, 288806), (686, 201238), (842, 163954), (956, 144403), (1372, 100619), (1673, 82516), (1684, 81977), (2947, 46844), (3346, 41258), (5894, 23422), (6692, 20629), (11711, 11788)]