81434416

素因数分解:

$2^4\times 7^1\times {\mathrm{271}}^1\times {\mathrm{2683}}^1$

素因数の和:2969

約数の個数: 40

約数和(自身を含む): 181051904

約数和(自身を除く): 99617488

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 271, 542, 1084, 1897, 2168, 2683, 3794, 4336, 5366, 7588, 10732, 15176, 18781, 21464, 30352, 37562, 42928, 75124, 150248, 300496, 727093, 1454186, 2908372, 5089651, 5816744, 10179302, 11633488, 20358604, 40717208, 81434416]

約数ペア:

[(1, 81434416), (2, 40717208), (4, 20358604), (7, 11633488), (8, 10179302), (14, 5816744), (16, 5089651), (28, 2908372), (56, 1454186), (112, 727093), (271, 300496), (542, 150248), (1084, 75124), (1897, 42928), (2168, 37562), (2683, 30352), (3794, 21464), (4336, 18781), (5366, 15176), (7588, 10732)]