77881984

素因数分解:

$2^7\times {\mathrm{229}}^1\times {\mathrm{2657}}^1$

素因数の和:2900

約数の個数: 32

約数和(自身を含む): 155891700

約数和(自身を除く): 78009716

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 229, 458, 916, 1832, 2657, 3664, 5314, 7328, 10628, 14656, 21256, 29312, 42512, 85024, 170048, 340096, 608453, 1216906, 2433812, 4867624, 9735248, 19470496, 38940992, 77881984]

約数ペア:

[(1, 77881984), (2, 38940992), (4, 19470496), (8, 9735248), (16, 4867624), (32, 2433812), (64, 1216906), (128, 608453), (229, 340096), (458, 170048), (916, 85024), (1832, 42512), (2657, 29312), (3664, 21256), (5314, 14656), (7328, 10628)]