198606121

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1153

約数の個数: 32

約数和(自身を含む): 252806400

約数和(自身を除く): 54200279

約数列:

[1, 7, 17, 37, 43, 119, 259, 301, 629, 731, 1049, 1591, 4403, 5117, 7343, 11137, 17833, 27047, 38813, 45107, 124831, 189329, 271691, 315749, 659821, 766819, 1668959, 4618747, 5367733, 11682713, 28372303, 198606121]

約数ペア:

[(1, 198606121), (7, 28372303), (17, 11682713), (37, 5367733), (43, 4618747), (119, 1668959), (259, 766819), (301, 659821), (629, 315749), (731, 271691), (1049, 189329), (1591, 124831), (4403, 45107), (5117, 38813), (7343, 27047), (11137, 17833)]