71285788

素因数分解:

$2^2\times 7^2\times {\mathrm{443}}^1\times {\mathrm{821}}^1$

素因数の和:1282

約数の個数: 36

約数和(自身を含む): 145622232

約数和(自身を除く): 74336444

約数列:

[1, 2, 4, 7, 14, 28, 49, 98, 196, 443, 821, 886, 1642, 1772, 3101, 3284, 5747, 6202, 11494, 12404, 21707, 22988, 40229, 43414, 80458, 86828, 160916, 363703, 727406, 1454812, 2545921, 5091842, 10183684, 17821447, 35642894, 71285788]

約数ペア:

[(1, 71285788), (2, 35642894), (4, 17821447), (7, 10183684), (14, 5091842), (28, 2545921), (49, 1454812), (98, 727406), (196, 363703), (443, 160916), (821, 86828), (886, 80458), (1642, 43414), (1772, 40229), (3101, 22988), (3284, 21707), (5747, 12404), (6202, 11494)]