81377408

素因数分解:

$2^7\times 7^1\times {\mathrm{90823}}^1$

素因数の和:90844

約数の個数: 32

約数和(自身を含む): 185280960

約数和(自身を除く): 103903552

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 90823, 181646, 363292, 635761, 726584, 1271522, 1453168, 2543044, 2906336, 5086088, 5812672, 10172176, 11625344, 20344352, 40688704, 81377408]

約数ペア:

[(1, 81377408), (2, 40688704), (4, 20344352), (7, 11625344), (8, 10172176), (14, 5812672), (16, 5086088), (28, 2906336), (32, 2543044), (56, 1453168), (64, 1271522), (112, 726584), (128, 635761), (224, 363292), (448, 181646), (896, 90823)]