81407312

素因数分解:

$2^4\times 7^1\times {\mathrm{107}}^1\times {\mathrm{6793}}^1$

素因数の和:6915

約数の個数: 40

約数和(自身を含む): 181970496

約数和(自身を除く): 100563184

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 107, 112, 214, 428, 749, 856, 1498, 1712, 2996, 5992, 6793, 11984, 13586, 27172, 47551, 54344, 95102, 108688, 190204, 380408, 726851, 760816, 1453702, 2907404, 5087957, 5814808, 10175914, 11629616, 20351828, 40703656, 81407312]

約数ペア:

[(1, 81407312), (2, 40703656), (4, 20351828), (7, 11629616), (8, 10175914), (14, 5814808), (16, 5087957), (28, 2907404), (56, 1453702), (107, 760816), (112, 726851), (214, 380408), (428, 190204), (749, 108688), (856, 95102), (1498, 54344), (1712, 47551), (2996, 27172), (5992, 13586), (6793, 11984)]