81819556

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{337}}^1$

素因数の和:413

約数の個数: 96

約数和(自身を含む): 190794240

約数和(自身を除く): 108974684

約数列:

[1, 2, 4, 7, 13, 14, 23, 26, 28, 29, 46, 52, 58, 91, 92, 116, 161, 182, 203, 299, 322, 337, 364, 377, 406, 598, 644, 667, 674, 754, 812, 1196, 1334, 1348, 1508, 2093, 2359, 2639, 2668, 4186, 4381, 4669, 4718, 5278, 7751, 8372, 8671, 8762, 9338, 9436, 9773, 10556, 15502, 17342, 17524, 18676, 19546, 30667, 31004, 34684, 39092, 54257, 60697, 61334, 68411, 100763, 108514, 121394, 122668, 127049, 136822, 201526, 217028, 224779, 242788, 254098, 273644, 403052, 449558, 508196, 705341, 889343, 899116, 1410682, 1573453, 1778686, 2821364, 2922127, 3146906, 3557372, 5844254, 6293812, 11688508, 20454889, 40909778, 81819556]

約数ペア:

[(1, 81819556), (2, 40909778), (4, 20454889), (7, 11688508), (13, 6293812), (14, 5844254), (23, 3557372), (26, 3146906), (28, 2922127), (29, 2821364), (46, 1778686), (52, 1573453), (58, 1410682), (91, 899116), (92, 889343), (116, 705341), (161, 508196), (182, 449558), (203, 403052), (299, 273644), (322, 254098), (337, 242788), (364, 224779), (377, 217028), (406, 201526), (598, 136822), (644, 127049), (667, 122668), (674, 121394), (754, 108514), (812, 100763), (1196, 68411), (1334, 61334), (1348, 60697), (1508, 54257), (2093, 39092), (2359, 34684), (2639, 31004), (2668, 30667), (4186, 19546), (4381, 18676), (4669, 17524), (4718, 17342), (5278, 15502), (7751, 10556), (8372, 9773), (8671, 9436), (8762, 9338)]