221420612

素因数分解:

$2^2\times 7^2\times {\mathrm{433}}^1\times {\mathrm{2609}}^1$

素因数の和:3060

約数の個数: 36

約数和(自身を含む): 451963260

約数和(自身を除く): 230542648

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 433, 866, 1732, 2609, 3031, 5218, 6062, 10436, 12124, 18263, 21217, 36526, 42434, 73052, 84868, 127841, 255682, 511364, 1129697, 2259394, 4518788, 7907879, 15815758, 31631516, 55355153, 110710306, 221420612]

約数ペア:

[(1, 221420612), (2, 110710306), (4, 55355153), (7, 31631516), (14, 15815758), (28, 7907879), (49, 4518788), (98, 2259394), (196, 1129697), (433, 511364), (866, 255682), (1732, 127841), (2609, 84868), (3031, 73052), (5218, 42434), (6062, 36526), (10436, 21217), (12124, 18263)]