28886431

素因数分解:

$7^4\times {\mathrm{53}}^1\times {\mathrm{227}}^1$

素因数の和:308

約数の個数: 20

約数和(自身を含む): 34485912

約数和(自身を除く): 5599481

約数列:

[1, 7, 49, 53, 227, 343, 371, 1589, 2401, 2597, 11123, 12031, 18179, 77861, 84217, 127253, 545027, 589519, 4126633, 28886431]

約数ペア:

[(1, 28886431), (7, 4126633), (49, 589519), (53, 545027), (227, 127253), (343, 84217), (371, 77861), (1589, 18179), (2401, 12031), (2597, 11123)]