31686272

素因数分解:

$2^7\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{229}}^1$

素因数の和:313

約数の個数: 64

約数和(自身を含む): 67564800

約数和(自身を除く): 35878528

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 47, 64, 92, 94, 128, 184, 188, 229, 368, 376, 458, 736, 752, 916, 1081, 1472, 1504, 1832, 2162, 2944, 3008, 3664, 4324, 5267, 6016, 7328, 8648, 10534, 10763, 14656, 17296, 21068, 21526, 29312, 34592, 42136, 43052, 69184, 84272, 86104, 138368, 168544, 172208, 247549, 337088, 344416, 495098, 674176, 688832, 990196, 1377664, 1980392, 3960784, 7921568, 15843136, 31686272]

約数ペア:

[(1, 31686272), (2, 15843136), (4, 7921568), (8, 3960784), (16, 1980392), (23, 1377664), (32, 990196), (46, 688832), (47, 674176), (64, 495098), (92, 344416), (94, 337088), (128, 247549), (184, 172208), (188, 168544), (229, 138368), (368, 86104), (376, 84272), (458, 69184), (736, 43052), (752, 42136), (916, 34592), (1081, 29312), (1472, 21526), (1504, 21068), (1832, 17296), (2162, 14656), (2944, 10763), (3008, 10534), (3664, 8648), (4324, 7328), (5267, 6016)]