81741604

素因数分解:

$2^2\times 7^2\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{197}}^1$

素因数の和:317

約数の個数: 72

約数和(自身を含む): 175384440

約数和(自身を除く): 93642836

約数列:

[1, 2, 4, 7, 14, 28, 29, 49, 58, 73, 98, 116, 146, 196, 197, 203, 292, 394, 406, 511, 788, 812, 1022, 1379, 1421, 2044, 2117, 2758, 2842, 3577, 4234, 5516, 5684, 5713, 7154, 8468, 9653, 11426, 14308, 14381, 14819, 19306, 22852, 28762, 29638, 38612, 39991, 57524, 59276, 79982, 100667, 103733, 159964, 201334, 207466, 279937, 402668, 414932, 417049, 559874, 704669, 834098, 1119748, 1409338, 1668196, 2818676, 2919343, 5838686, 11677372, 20435401, 40870802, 81741604]

約数ペア:

[(1, 81741604), (2, 40870802), (4, 20435401), (7, 11677372), (14, 5838686), (28, 2919343), (29, 2818676), (49, 1668196), (58, 1409338), (73, 1119748), (98, 834098), (116, 704669), (146, 559874), (196, 417049), (197, 414932), (203, 402668), (292, 279937), (394, 207466), (406, 201334), (511, 159964), (788, 103733), (812, 100667), (1022, 79982), (1379, 59276), (1421, 57524), (2044, 39991), (2117, 38612), (2758, 29638), (2842, 28762), (3577, 22852), (4234, 19306), (5516, 14819), (5684, 14381), (5713, 14308), (7154, 11426), (8468, 9653)]