28219386

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{361787}}^1$

素因数の和:361805

約数の個数: 16

約数和(自身を含む): 60780384

約数和(自身を除く): 32560998

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 361787, 723574, 1085361, 2170722, 4703231, 9406462, 14109693, 28219386]

約数ペア:

[(1, 28219386), (2, 14109693), (3, 9406462), (6, 4703231), (13, 2170722), (26, 1085361), (39, 723574), (78, 361787)]