28770658

素因数分解:

$2^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{20347}}^1$

素因数の和:20457

約数の個数: 16

約数和(自身を含む): 49811904

約数和(自身を除く): 21041246

約数列:

[1, 2, 7, 14, 101, 202, 707, 1414, 20347, 40694, 142429, 284858, 2055047, 4110094, 14385329, 28770658]

約数ペア:

[(1, 28770658), (2, 14385329), (7, 4110094), (14, 2055047), (101, 284858), (202, 142429), (707, 40694), (1414, 20347)]