13668515

素因数分解:

$5^1\times 7^1\times {\mathrm{149}}^1\times {\mathrm{2621}}^1$

素因数の和:2782

約数の個数: 16

約数和(自身を含む): 18878400

約数和(自身を除く): 5209885

約数列:

[1, 5, 7, 35, 149, 745, 1043, 2621, 5215, 13105, 18347, 91735, 390529, 1952645, 2733703, 13668515]

約数ペア:

[(1, 13668515), (5, 2733703), (7, 1952645), (35, 390529), (149, 91735), (745, 18347), (1043, 13105), (2621, 5215)]