31263856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 69370560

約数和(自身を除く): 38106704

約数列:

[1, 2, 4, 8, 13, 16, 26, 29, 52, 58, 71, 73, 104, 116, 142, 146, 208, 232, 284, 292, 377, 464, 568, 584, 754, 923, 949, 1136, 1168, 1508, 1846, 1898, 2059, 2117, 3016, 3692, 3796, 4118, 4234, 5183, 6032, 7384, 7592, 8236, 8468, 10366, 14768, 15184, 16472, 16936, 20732, 26767, 27521, 32944, 33872, 41464, 53534, 55042, 67379, 82928, 107068, 110084, 134758, 150307, 214136, 220168, 269516, 300614, 428272, 440336, 539032, 601228, 1078064, 1202456, 1953991, 2404912, 3907982, 7815964, 15631928, 31263856]

約数ペア:

[(1, 31263856), (2, 15631928), (4, 7815964), (8, 3907982), (13, 2404912), (16, 1953991), (26, 1202456), (29, 1078064), (52, 601228), (58, 539032), (71, 440336), (73, 428272), (104, 300614), (116, 269516), (142, 220168), (146, 214136), (208, 150307), (232, 134758), (284, 110084), (292, 107068), (377, 82928), (464, 67379), (568, 55042), (584, 53534), (754, 41464), (923, 33872), (949, 32944), (1136, 27521), (1168, 26767), (1508, 20732), (1846, 16936), (1898, 16472), (2059, 15184), (2117, 14768), (3016, 10366), (3692, 8468), (3796, 8236), (4118, 7592), (4234, 7384), (5183, 6032)]