28921915

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{16963}}^1$

素因数の和:17010

約数の個数: 16

約数和(自身を含む): 39085056

約数和(自身を除く): 10163141

約数列:

[1, 5, 11, 31, 55, 155, 341, 1705, 16963, 84815, 186593, 525853, 932965, 2629265, 5784383, 28921915]

約数ペア:

[(1, 28921915), (5, 5784383), (11, 2629265), (31, 932965), (55, 525853), (155, 186593), (341, 84815), (1705, 16963)]