81225664

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{233}}^1\times {\mathrm{419}}^1$

素因数の和:677

約数の個数: 56

約数和(自身を含む): 174741840

約数和(自身を除く): 93516176

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 233, 416, 419, 466, 832, 838, 932, 1676, 1864, 3029, 3352, 3728, 5447, 6058, 6704, 7456, 10894, 12116, 13408, 14912, 21788, 24232, 26816, 43576, 48464, 87152, 96928, 97627, 174304, 193856, 195254, 348608, 390508, 781016, 1269151, 1562032, 2538302, 3124064, 5076604, 6248128, 10153208, 20306416, 40612832, 81225664]

約数ペア:

[(1, 81225664), (2, 40612832), (4, 20306416), (8, 10153208), (13, 6248128), (16, 5076604), (26, 3124064), (32, 2538302), (52, 1562032), (64, 1269151), (104, 781016), (208, 390508), (233, 348608), (416, 195254), (419, 193856), (466, 174304), (832, 97627), (838, 96928), (932, 87152), (1676, 48464), (1864, 43576), (3029, 26816), (3352, 24232), (3728, 21788), (5447, 14912), (6058, 13408), (6704, 12116), (7456, 10894)]