1392365

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{691}}^1$

素因数の和:740

約数の個数: 16

約数和(自身を含む): 1860096

約数和(自身を除く): 467731

約数列:

[1, 5, 13, 31, 65, 155, 403, 691, 2015, 3455, 8983, 21421, 44915, 107105, 278473, 1392365]

約数ペア:

[(1, 1392365), (5, 278473), (13, 107105), (31, 44915), (65, 21421), (155, 8983), (403, 3455), (691, 2015)]