81374692

素因数分解:

$2^2\times 7^4\times {\mathrm{37}}^1\times {\mathrm{229}}^1$

素因数の和:298

約数の個数: 60

約数和(自身を含む): 171365180

約数和(自身を除く): 89990488

約数列:

[1, 2, 4, 7, 14, 28, 37, 49, 74, 98, 148, 196, 229, 259, 343, 458, 518, 686, 916, 1036, 1372, 1603, 1813, 2401, 3206, 3626, 4802, 6412, 7252, 8473, 9604, 11221, 12691, 16946, 22442, 25382, 33892, 44884, 50764, 59311, 78547, 88837, 118622, 157094, 177674, 237244, 314188, 355348, 415177, 549829, 830354, 1099658, 1660708, 2199316, 2906239, 5812478, 11624956, 20343673, 40687346, 81374692]

約数ペア:

[(1, 81374692), (2, 40687346), (4, 20343673), (7, 11624956), (14, 5812478), (28, 2906239), (37, 2199316), (49, 1660708), (74, 1099658), (98, 830354), (148, 549829), (196, 415177), (229, 355348), (259, 314188), (343, 237244), (458, 177674), (518, 157094), (686, 118622), (916, 88837), (1036, 78547), (1372, 59311), (1603, 50764), (1813, 44884), (2401, 33892), (3206, 25382), (3626, 22442), (4802, 16946), (6412, 12691), (7252, 11221), (8473, 9604)]