81424210

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{24749}}^1$

素因数の和:24810

約数の個数: 32

約数和(自身を含む): 171072000

約数和(自身を除く): 89647790

約数列:

[1, 2, 5, 7, 10, 14, 35, 47, 70, 94, 235, 329, 470, 658, 1645, 3290, 24749, 49498, 123745, 173243, 247490, 346486, 866215, 1163203, 1732430, 2326406, 5816015, 8142421, 11632030, 16284842, 40712105, 81424210]

約数ペア:

[(1, 81424210), (2, 40712105), (5, 16284842), (7, 11632030), (10, 8142421), (14, 5816015), (35, 2326406), (47, 1732430), (70, 1163203), (94, 866215), (235, 346486), (329, 247490), (470, 173243), (658, 123745), (1645, 49498), (3290, 24749)]