66139904

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{239}}^1$

素因数の和:325

約数の個数: 72

約数和(自身を含む): 141281280

約数和(自身を除く): 75141376

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 128, 184, 188, 239, 256, 368, 376, 478, 736, 752, 956, 1081, 1472, 1504, 1912, 2162, 2944, 3008, 3824, 4324, 5497, 5888, 6016, 7648, 8648, 10994, 11233, 12032, 15296, 17296, 21988, 22466, 30592, 34592, 43976, 44932, 61184, 69184, 87952, 89864, 138368, 175904, 179728, 258359, 276736, 351808, 359456, 516718, 703616, 718912, 1033436, 1407232, 1437824, 2066872, 2875648, 4133744, 8267488, 16534976, 33069952, 66139904]

約数ペア:

[(1, 66139904), (2, 33069952), (4, 16534976), (8, 8267488), (16, 4133744), (23, 2875648), (32, 2066872), (46, 1437824), (47, 1407232), (64, 1033436), (92, 718912), (94, 703616), (128, 516718), (184, 359456), (188, 351808), (239, 276736), (256, 258359), (368, 179728), (376, 175904), (478, 138368), (736, 89864), (752, 87952), (956, 69184), (1081, 61184), (1472, 44932), (1504, 43976), (1912, 34592), (2162, 30592), (2944, 22466), (3008, 21988), (3824, 17296), (4324, 15296), (5497, 12032), (5888, 11233), (6016, 10994), (7648, 8648)]