81409148

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{859}}^1$

素因数の和:954

約数の個数: 48

約数和(自身を含む): 158928000

約数和(自身を除く): 77518852

約数列:

[1, 2, 4, 19, 29, 38, 43, 58, 76, 86, 116, 172, 551, 817, 859, 1102, 1247, 1634, 1718, 2204, 2494, 3268, 3436, 4988, 16321, 23693, 24911, 32642, 36937, 47386, 49822, 65284, 73874, 94772, 99644, 147748, 473309, 701803, 946618, 1071173, 1403606, 1893236, 2142346, 2807212, 4284692, 20352287, 40704574, 81409148]

約数ペア:

[(1, 81409148), (2, 40704574), (4, 20352287), (19, 4284692), (29, 2807212), (38, 2142346), (43, 1893236), (58, 1403606), (76, 1071173), (86, 946618), (116, 701803), (172, 473309), (551, 147748), (817, 99644), (859, 94772), (1102, 73874), (1247, 65284), (1634, 49822), (1718, 47386), (2204, 36937), (2494, 32642), (3268, 24911), (3436, 23693), (4988, 16321)]