81411952

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{151}}^1\times {\mathrm{1087}}^1$

素因数の和:1277

約数の個数: 40

約数和(自身を含む): 164052992

約数和(自身を除く): 82641040

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 151, 248, 302, 496, 604, 1087, 1208, 2174, 2416, 4348, 4681, 8696, 9362, 17392, 18724, 33697, 37448, 67394, 74896, 134788, 164137, 269576, 328274, 539152, 656548, 1313096, 2626192, 5088247, 10176494, 20352988, 40705976, 81411952]

約数ペア:

[(1, 81411952), (2, 40705976), (4, 20352988), (8, 10176494), (16, 5088247), (31, 2626192), (62, 1313096), (124, 656548), (151, 539152), (248, 328274), (302, 269576), (496, 164137), (604, 134788), (1087, 74896), (1208, 67394), (2174, 37448), (2416, 33697), (4348, 18724), (4681, 17392), (8696, 9362)]