28180315

素因数分解:

$5^1\times {\mathrm{29}}^1\times {\mathrm{109}}^1\times {\mathrm{1783}}^1$

素因数の和:1926

約数の個数: 16

約数和(自身を含む): 35323200

約数和(自身を除く): 7142885

約数列:

[1, 5, 29, 109, 145, 545, 1783, 3161, 8915, 15805, 51707, 194347, 258535, 971735, 5636063, 28180315]

約数ペア:

[(1, 28180315), (5, 5636063), (29, 971735), (109, 258535), (145, 194347), (545, 51707), (1783, 15805), (3161, 8915)]