31398784

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{193}}^1$

素因数の和:279

約数の個数: 64

約数和(自身を含む): 66487680

約数和(自身を除く): 35088896

約数列:

[1, 2, 4, 8, 16, 31, 32, 41, 62, 64, 82, 124, 128, 164, 193, 248, 328, 386, 496, 656, 772, 992, 1271, 1312, 1544, 1984, 2542, 2624, 3088, 3968, 5084, 5248, 5983, 6176, 7913, 10168, 11966, 12352, 15826, 20336, 23932, 24704, 31652, 40672, 47864, 63304, 81344, 95728, 126608, 162688, 191456, 245303, 253216, 382912, 490606, 506432, 765824, 981212, 1012864, 1962424, 3924848, 7849696, 15699392, 31398784]

約数ペア:

[(1, 31398784), (2, 15699392), (4, 7849696), (8, 3924848), (16, 1962424), (31, 1012864), (32, 981212), (41, 765824), (62, 506432), (64, 490606), (82, 382912), (124, 253216), (128, 245303), (164, 191456), (193, 162688), (248, 126608), (328, 95728), (386, 81344), (496, 63304), (656, 47864), (772, 40672), (992, 31652), (1271, 24704), (1312, 23932), (1544, 20336), (1984, 15826), (2542, 12352), (2624, 11966), (3088, 10168), (3968, 7913), (5084, 6176), (5248, 5983)]