71978522

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{227}}^1$

素因数の和:347

約数の個数: 64

約数和(自身を含む): 141834240

約数和(自身を除く): 69855718

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 71, 77, 142, 154, 203, 227, 319, 406, 454, 497, 638, 781, 994, 1562, 1589, 2059, 2233, 2497, 3178, 4118, 4466, 4994, 5467, 6583, 10934, 13166, 14413, 16117, 17479, 22649, 28826, 32234, 34958, 45298, 46081, 72413, 92162, 112819, 144826, 158543, 177287, 225638, 317086, 354574, 467393, 506891, 934786, 1013782, 1241009, 2482018, 3271751, 5141323, 6543502, 10282646, 35989261, 71978522]

約数ペア:

[(1, 71978522), (2, 35989261), (7, 10282646), (11, 6543502), (14, 5141323), (22, 3271751), (29, 2482018), (58, 1241009), (71, 1013782), (77, 934786), (142, 506891), (154, 467393), (203, 354574), (227, 317086), (319, 225638), (406, 177287), (454, 158543), (497, 144826), (638, 112819), (781, 92162), (994, 72413), (1562, 46081), (1589, 45298), (2059, 34958), (2233, 32234), (2497, 28826), (3178, 22649), (4118, 17479), (4466, 16117), (4994, 14413), (5467, 13166), (6583, 10934)]