28921318

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{20747}}^1$

素因数の和:20807

約数の個数: 16

約数和(自身を含む): 47056464

約数和(自身を除く): 18135146

約数列:

[1, 2, 17, 34, 41, 82, 697, 1394, 20747, 41494, 352699, 705398, 850627, 1701254, 14460659, 28921318]

約数ペア:

[(1, 28921318), (2, 14460659), (17, 1701254), (34, 850627), (41, 705398), (82, 352699), (697, 41494), (1394, 20747)]