128509843

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{43}}^1\times {\mathrm{1049}}^1$

素因数の和:1147

約数の個数: 32

約数和(自身を含む): 168537600

約数和(自身を除く): 40027757

約数列:

[1, 7, 11, 37, 43, 77, 259, 301, 407, 473, 1049, 1591, 2849, 3311, 7343, 11137, 11539, 17501, 38813, 45107, 80773, 122507, 271691, 315749, 426943, 496177, 1668959, 2988601, 3473239, 11682713, 18358549, 128509843]

約数ペア:

[(1, 128509843), (7, 18358549), (11, 11682713), (37, 3473239), (43, 2988601), (77, 1668959), (259, 496177), (301, 426943), (407, 315749), (473, 271691), (1049, 122507), (1591, 80773), (2849, 45107), (3311, 38813), (7343, 17501), (11137, 11539)]