13198265

素因数分解:

$5^1\times {\mathrm{61}}^1\times {\mathrm{109}}^1\times {\mathrm{397}}^1$

素因数の和:572

約数の個数: 16

約数和(自身を含む): 16286160

約数和(自身を除く): 3087895

約数列:

[1, 5, 61, 109, 305, 397, 545, 1985, 6649, 24217, 33245, 43273, 121085, 216365, 2639653, 13198265]

約数ペア:

[(1, 13198265), (5, 2639653), (61, 216365), (109, 121085), (305, 43273), (397, 33245), (545, 24217), (1985, 6649)]