42389815

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{10691}}^1$

素因数の和:10770

約数の個数: 16

約数和(自身を含む): 55683936

約数和(自身を除く): 13294121

約数列:

[1, 5, 13, 61, 65, 305, 793, 3965, 10691, 53455, 138983, 652151, 694915, 3260755, 8477963, 42389815]

約数ペア:

[(1, 42389815), (5, 8477963), (13, 3260755), (61, 694915), (65, 652151), (305, 138983), (793, 53455), (3965, 10691)]