81855928

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{83}}^1\times {\mathrm{1601}}^1$

素因数の和:1708

約数の個数: 64

約数和(自身を含む): 193777920

約数和(自身を除く): 111921992

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 77, 83, 88, 154, 166, 308, 332, 581, 616, 664, 913, 1162, 1601, 1826, 2324, 3202, 3652, 4648, 6391, 6404, 7304, 11207, 12782, 12808, 17611, 22414, 25564, 35222, 44828, 51128, 70444, 89656, 123277, 132883, 140888, 246554, 265766, 493108, 531532, 930181, 986216, 1063064, 1461713, 1860362, 2923426, 3720724, 5846852, 7441448, 10231991, 11693704, 20463982, 40927964, 81855928]

約数ペア:

[(1, 81855928), (2, 40927964), (4, 20463982), (7, 11693704), (8, 10231991), (11, 7441448), (14, 5846852), (22, 3720724), (28, 2923426), (44, 1860362), (56, 1461713), (77, 1063064), (83, 986216), (88, 930181), (154, 531532), (166, 493108), (308, 265766), (332, 246554), (581, 140888), (616, 132883), (664, 123277), (913, 89656), (1162, 70444), (1601, 51128), (1826, 44828), (2324, 35222), (3202, 25564), (3652, 22414), (4648, 17611), (6391, 12808), (6404, 12782), (7304, 11207)]