28171619

素因数分解:

$7^3\times {\mathrm{23}}^1\times {\mathrm{3571}}^1$

素因数の和:3615

約数の個数: 16

約数和(自身を含む): 34291200

約数和(自身を除く): 6119581

約数列:

[1, 7, 23, 49, 161, 343, 1127, 3571, 7889, 24997, 82133, 174979, 574931, 1224853, 4024517, 28171619]

約数ペア:

[(1, 28171619), (7, 4024517), (23, 1224853), (49, 574931), (161, 174979), (343, 82133), (1127, 24997), (3571, 7889)]