138435486

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{137}}^1\times {\mathrm{491}}^1$

素因数の和:654

約数の個数: 64

約数和(自身を含む): 325900800

約数和(自身を除く): 187465314

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 137, 147, 274, 294, 343, 411, 491, 686, 822, 959, 982, 1029, 1473, 1918, 2058, 2877, 2946, 3437, 5754, 6713, 6874, 10311, 13426, 20139, 20622, 24059, 40278, 46991, 48118, 67267, 72177, 93982, 134534, 140973, 144354, 168413, 201801, 281946, 336826, 403602, 470869, 505239, 941738, 1010478, 1412607, 2825214, 3296083, 6592166, 9888249, 19776498, 23072581, 46145162, 69217743, 138435486]

約数ペア:

[(1, 138435486), (2, 69217743), (3, 46145162), (6, 23072581), (7, 19776498), (14, 9888249), (21, 6592166), (42, 3296083), (49, 2825214), (98, 1412607), (137, 1010478), (147, 941738), (274, 505239), (294, 470869), (343, 403602), (411, 336826), (491, 281946), (686, 201801), (822, 168413), (959, 144354), (982, 140973), (1029, 134534), (1473, 93982), (1918, 72177), (2058, 67267), (2877, 48118), (2946, 46991), (3437, 40278), (5754, 24059), (6713, 20622), (6874, 20139), (10311, 13426)]