138451208

素因数分解:

$2^3\times 7^1\times {\mathrm{31}}^1\times {\mathrm{173}}^1\times {\mathrm{461}}^1$

素因数の和:678

約数の個数: 64

約数和(自身を含む): 308689920

約数和(自身を除く): 170238712

約数列:

[1, 2, 4, 7, 8, 14, 28, 31, 56, 62, 124, 173, 217, 248, 346, 434, 461, 692, 868, 922, 1211, 1384, 1736, 1844, 2422, 3227, 3688, 4844, 5363, 6454, 9688, 10726, 12908, 14291, 21452, 25816, 28582, 37541, 42904, 57164, 75082, 79753, 100037, 114328, 150164, 159506, 200074, 300328, 319012, 400148, 558271, 638024, 800296, 1116542, 2233084, 2472343, 4466168, 4944686, 9889372, 17306401, 19778744, 34612802, 69225604, 138451208]

約数ペア:

[(1, 138451208), (2, 69225604), (4, 34612802), (7, 19778744), (8, 17306401), (14, 9889372), (28, 4944686), (31, 4466168), (56, 2472343), (62, 2233084), (124, 1116542), (173, 800296), (217, 638024), (248, 558271), (346, 400148), (434, 319012), (461, 300328), (692, 200074), (868, 159506), (922, 150164), (1211, 114328), (1384, 100037), (1736, 79753), (1844, 75082), (2422, 57164), (3227, 42904), (3688, 37541), (4844, 28582), (5363, 25816), (6454, 21452), (9688, 14291), (10726, 12908)]