81339410

素因数分解:

$2^1\times 5^1\times {\mathrm{173}}^1\times {\mathrm{47017}}^1$

素因数の和:47197

約数の個数: 16

約数和(自身を含む): 147260376

約数和(自身を除く): 65920966

約数列:

[1, 2, 5, 10, 173, 346, 865, 1730, 47017, 94034, 235085, 470170, 8133941, 16267882, 40669705, 81339410]

約数ペア:

[(1, 81339410), (2, 40669705), (5, 16267882), (10, 8133941), (173, 470170), (346, 235085), (865, 94034), (1730, 47017)]