81938176

素因数分解:

$2^8\times {\mathrm{263}}^1\times {\mathrm{1217}}^1$

素因数の和:1496

約数の個数: 36

約数和(自身を含む): 164313072

約数和(自身を除く): 82374896

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 263, 526, 1052, 1217, 2104, 2434, 4208, 4868, 8416, 9736, 16832, 19472, 33664, 38944, 67328, 77888, 155776, 311552, 320071, 640142, 1280284, 2560568, 5121136, 10242272, 20484544, 40969088, 81938176]

約数ペア:

[(1, 81938176), (2, 40969088), (4, 20484544), (8, 10242272), (16, 5121136), (32, 2560568), (64, 1280284), (128, 640142), (256, 320071), (263, 311552), (526, 155776), (1052, 77888), (1217, 67328), (2104, 38944), (2434, 33664), (4208, 19472), (4868, 16832), (8416, 9736)]