199859191

素因数分解:

$7^2\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3581}}^1$

素因数の和:3679

約数の個数: 24

約数和(自身を含む): 249908976

約数和(自身を除く): 50049785

約数列:

[1, 7, 17, 49, 67, 119, 469, 833, 1139, 3283, 3581, 7973, 25067, 55811, 60877, 175469, 239927, 426139, 1679489, 2982973, 4078759, 11756423, 28551313, 199859191]

約数ペア:

[(1, 199859191), (7, 28551313), (17, 11756423), (49, 4078759), (67, 2982973), (119, 1679489), (469, 426139), (833, 239927), (1139, 175469), (3283, 60877), (3581, 55811), (7973, 25067)]