81940672

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{239}}^1\times {\mathrm{487}}^1$

素因数の和:749

約数の個数: 56

約数和(自身を含む): 178490880

約数和(自身を除く): 96550208

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 176, 239, 352, 478, 487, 704, 956, 974, 1912, 1948, 2629, 3824, 3896, 5258, 5357, 7648, 7792, 10516, 10714, 15296, 15584, 21032, 21428, 31168, 42064, 42856, 84128, 85712, 116393, 168256, 171424, 232786, 342848, 465572, 931144, 1280323, 1862288, 2560646, 3724576, 5121292, 7449152, 10242584, 20485168, 40970336, 81940672]

約数ペア:

[(1, 81940672), (2, 40970336), (4, 20485168), (8, 10242584), (11, 7449152), (16, 5121292), (22, 3724576), (32, 2560646), (44, 1862288), (64, 1280323), (88, 931144), (176, 465572), (239, 342848), (352, 232786), (478, 171424), (487, 168256), (704, 116393), (956, 85712), (974, 84128), (1912, 42856), (1948, 42064), (2629, 31168), (3824, 21428), (3896, 21032), (5258, 15584), (5357, 15296), (7648, 10714), (7792, 10516)]