72720228

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{865717}}^1$

素因数の和:865731

約数の個数: 24

約数和(自身を含む): 193920832

約数和(自身を除く): 121200604

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 865717, 1731434, 2597151, 3462868, 5194302, 6060019, 10388604, 12120038, 18180057, 24240076, 36360114, 72720228]

約数ペア:

[(1, 72720228), (2, 36360114), (3, 24240076), (4, 18180057), (6, 12120038), (7, 10388604), (12, 6060019), (14, 5194302), (21, 3462868), (28, 2597151), (42, 1731434), (84, 865717)]