245439516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{2921899}}^1$

素因数の和:2921913

約数の個数: 24

約数和(自身を含む): 654505600

約数和(自身を除く): 409066084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 2921899, 5843798, 8765697, 11687596, 17531394, 20453293, 35062788, 40906586, 61359879, 81813172, 122719758, 245439516]

約数ペア:

[(1, 245439516), (2, 122719758), (3, 81813172), (4, 61359879), (6, 40906586), (7, 35062788), (12, 20453293), (14, 17531394), (21, 11687596), (28, 8765697), (42, 5843798), (84, 2921899)]