81558736

素因数分解:

$2^4\times 7^2\times {\mathrm{23}}^1\times {\mathrm{4523}}^1$

素因数の和:4568

約数の個数: 60

約数和(自身を含む): 191853792

約数和(自身を除く): 110295056

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 46, 49, 56, 92, 98, 112, 161, 184, 196, 322, 368, 392, 644, 784, 1127, 1288, 2254, 2576, 4508, 4523, 9016, 9046, 18032, 18092, 31661, 36184, 63322, 72368, 104029, 126644, 208058, 221627, 253288, 416116, 443254, 506576, 728203, 832232, 886508, 1456406, 1664464, 1773016, 2912812, 3546032, 5097421, 5825624, 10194842, 11651248, 20389684, 40779368, 81558736]

約数ペア:

[(1, 81558736), (2, 40779368), (4, 20389684), (7, 11651248), (8, 10194842), (14, 5825624), (16, 5097421), (23, 3546032), (28, 2912812), (46, 1773016), (49, 1664464), (56, 1456406), (92, 886508), (98, 832232), (112, 728203), (161, 506576), (184, 443254), (196, 416116), (322, 253288), (368, 221627), (392, 208058), (644, 126644), (784, 104029), (1127, 72368), (1288, 63322), (2254, 36184), (2576, 31661), (4508, 18092), (4523, 18032), (9016, 9046)]