155996498

素因数分解:

$2^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{199}}^1\times {\mathrm{421}}^1$

素因数の和:655

約数の個数: 48

約数和(自身を含む): 288648000

約数和(自身を除く): 132651502

約数列:

[1, 2, 7, 14, 19, 38, 49, 98, 133, 199, 266, 398, 421, 842, 931, 1393, 1862, 2786, 2947, 3781, 5894, 7562, 7999, 9751, 15998, 19502, 20629, 26467, 41258, 52934, 55993, 83779, 111986, 167558, 185269, 370538, 391951, 586453, 783902, 1172906, 1591801, 3183602, 4105171, 8210342, 11142607, 22285214, 77998249, 155996498]

約数ペア:

[(1, 155996498), (2, 77998249), (7, 22285214), (14, 11142607), (19, 8210342), (38, 4105171), (49, 3183602), (98, 1591801), (133, 1172906), (199, 783902), (266, 586453), (398, 391951), (421, 370538), (842, 185269), (931, 167558), (1393, 111986), (1862, 83779), (2786, 55993), (2947, 52934), (3781, 41258), (5894, 26467), (7562, 20629), (7999, 19502), (9751, 15998)]