81178210

素因数分解:

$2^1\times 5^1\times {\mathrm{229}}^1\times {\mathrm{35449}}^1$

素因数の和:35685

約数の個数: 16

約数和(自身を含む): 146763000

約数和(自身を除く): 65584790

約数列:

[1, 2, 5, 10, 229, 458, 1145, 2290, 35449, 70898, 177245, 354490, 8117821, 16235642, 40589105, 81178210]

約数ペア:

[(1, 81178210), (2, 40589105), (5, 16235642), (10, 8117821), (229, 354490), (458, 177245), (1145, 70898), (2290, 35449)]