81632656

素因数分解:

$2^4\times 7^1\times {\mathrm{37}}^1\times {\mathrm{19699}}^1$

素因数の和:19751

約数の個数: 40

約数和(自身を含む): 185652800

約数和(自身を除く): 104020144

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 37, 56, 74, 112, 148, 259, 296, 518, 592, 1036, 2072, 4144, 19699, 39398, 78796, 137893, 157592, 275786, 315184, 551572, 728863, 1103144, 1457726, 2206288, 2915452, 5102041, 5830904, 10204082, 11661808, 20408164, 40816328, 81632656]

約数ペア:

[(1, 81632656), (2, 40816328), (4, 20408164), (7, 11661808), (8, 10204082), (14, 5830904), (16, 5102041), (28, 2915452), (37, 2206288), (56, 1457726), (74, 1103144), (112, 728863), (148, 551572), (259, 315184), (296, 275786), (518, 157592), (592, 137893), (1036, 78796), (2072, 39398), (4144, 19699)]