28670815

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{1697}}^1$

素因数の和:1842

約数の個数: 16

約数和(自身を含む): 35861760

約数和(自身を除く): 7190945

約数列:

[1, 5, 31, 109, 155, 545, 1697, 3379, 8485, 16895, 52607, 184973, 263035, 924865, 5734163, 28670815]

約数ペア:

[(1, 28670815), (5, 5734163), (31, 924865), (109, 263035), (155, 184973), (545, 52607), (1697, 16895), (3379, 8485)]