81621328

素因数分解:

$2^4\times {\mathrm{47}}^1\times {\mathrm{311}}^1\times {\mathrm{349}}^1$

素因数の和:715

約数の個数: 40

約数和(自身を含む): 162489600

約数和(自身を除く): 80868272

約数列:

[1, 2, 4, 8, 16, 47, 94, 188, 311, 349, 376, 622, 698, 752, 1244, 1396, 2488, 2792, 4976, 5584, 14617, 16403, 29234, 32806, 58468, 65612, 108539, 116936, 131224, 217078, 233872, 262448, 434156, 868312, 1736624, 5101333, 10202666, 20405332, 40810664, 81621328]

約数ペア:

[(1, 81621328), (2, 40810664), (4, 20405332), (8, 10202666), (16, 5101333), (47, 1736624), (94, 868312), (188, 434156), (311, 262448), (349, 233872), (376, 217078), (622, 131224), (698, 116936), (752, 108539), (1244, 65612), (1396, 58468), (2488, 32806), (2792, 29234), (4976, 16403), (5584, 14617)]