42078715

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{19709}}^1$

素因数の和:19782

約数の個数: 16

約数和(自身を含む): 58656960

約数和(自身を除く): 16578245

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 19709, 98545, 137963, 689815, 1202249, 6011245, 8415743, 42078715]

約数ペア:

[(1, 42078715), (5, 8415743), (7, 6011245), (35, 1202249), (61, 689815), (305, 137963), (427, 98545), (2135, 19709)]