81375616

素因数分解:

$2^7\times 7^1\times {\mathrm{90821}}^1$

素因数の和:90842

約数の個数: 32

約数和(自身を含む): 185276880

約数和(自身を除く): 103901264

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 90821, 181642, 363284, 635747, 726568, 1271494, 1453136, 2542988, 2906272, 5085976, 5812544, 10171952, 11625088, 20343904, 40687808, 81375616]

約数ペア:

[(1, 81375616), (2, 40687808), (4, 20343904), (7, 11625088), (8, 10171952), (14, 5812544), (16, 5085976), (28, 2906272), (32, 2542988), (56, 1453136), (64, 1271494), (112, 726568), (128, 635747), (224, 363284), (448, 181642), (896, 90821)]