28420826

素因数分解:

$2^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{38303}}^1$

素因数の和:38365

約数の個数: 16

約数和(自身を含む): 49641984

約数和(自身を除く): 21221158

約数列:

[1, 2, 7, 14, 53, 106, 371, 742, 38303, 76606, 268121, 536242, 2030059, 4060118, 14210413, 28420826]

約数ペア:

[(1, 28420826), (2, 14210413), (7, 4060118), (14, 2030059), (53, 536242), (106, 268121), (371, 76606), (742, 38303)]