81645074

素因数分解:

$2^1\times 7^2\times {\mathrm{197}}^1\times {\mathrm{4229}}^1$

素因数の和:4442

約数の個数: 24

約数和(自身を含む): 143219340

約数和(自身を除く): 61574266

約数列:

[1, 2, 7, 14, 49, 98, 197, 394, 1379, 2758, 4229, 8458, 9653, 19306, 29603, 59206, 207221, 414442, 833113, 1666226, 5831791, 11663582, 40822537, 81645074]

約数ペア:

[(1, 81645074), (2, 40822537), (7, 11663582), (14, 5831791), (49, 1666226), (98, 833113), (197, 414442), (394, 207221), (1379, 59206), (2758, 29603), (4229, 19306), (8458, 9653)]