71774768

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{163}}^1$

素因数の和:286

約数の個数: 80

約数和(自身を含む): 158010720

約数和(自身を除く): 86235952

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 73, 104, 116, 146, 163, 208, 232, 292, 326, 377, 464, 584, 652, 754, 949, 1168, 1304, 1508, 1898, 2117, 2119, 2608, 3016, 3796, 4234, 4238, 4727, 6032, 7592, 8468, 8476, 9454, 11899, 15184, 16936, 16952, 18908, 23798, 27521, 33872, 33904, 37816, 47596, 55042, 61451, 75632, 95192, 110084, 122902, 154687, 190384, 220168, 245804, 309374, 345071, 440336, 491608, 618748, 690142, 983216, 1237496, 1380284, 2474992, 2760568, 4485923, 5521136, 8971846, 17943692, 35887384, 71774768]

約数ペア:

[(1, 71774768), (2, 35887384), (4, 17943692), (8, 8971846), (13, 5521136), (16, 4485923), (26, 2760568), (29, 2474992), (52, 1380284), (58, 1237496), (73, 983216), (104, 690142), (116, 618748), (146, 491608), (163, 440336), (208, 345071), (232, 309374), (292, 245804), (326, 220168), (377, 190384), (464, 154687), (584, 122902), (652, 110084), (754, 95192), (949, 75632), (1168, 61451), (1304, 55042), (1508, 47596), (1898, 37816), (2117, 33904), (2119, 33872), (2608, 27521), (3016, 23798), (3796, 18908), (4234, 16952), (4238, 16936), (4727, 15184), (6032, 11899), (7592, 9454), (8468, 8476)]