197545145

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1\times {\mathrm{1381}}^1$

素因数の和:1521

約数の個数: 32

約数和(自身を含む): 279672576

約数和(自身を除く): 82127431

約数列:

[1, 5, 7, 35, 61, 67, 305, 335, 427, 469, 1381, 2135, 2345, 4087, 6905, 9667, 20435, 28609, 48335, 84241, 92527, 143045, 421205, 462635, 589687, 647689, 2948435, 3238445, 5644147, 28220735, 39509029, 197545145]

約数ペア:

[(1, 197545145), (5, 39509029), (7, 28220735), (35, 5644147), (61, 3238445), (67, 2948435), (305, 647689), (335, 589687), (427, 462635), (469, 421205), (1381, 143045), (2135, 92527), (2345, 84241), (4087, 48335), (6905, 28609), (9667, 20435)]