12409715

素因数分解:

$5^1\times {\mathrm{79}}^1\times {\mathrm{89}}^1\times {\mathrm{353}}^1$

素因数の和:526

約数の個数: 16

約数和(自身を含む): 15292800

約数和(自身を除く): 2883085

約数列:

[1, 5, 79, 89, 353, 395, 445, 1765, 7031, 27887, 31417, 35155, 139435, 157085, 2481943, 12409715]

約数ペア:

[(1, 12409715), (5, 2481943), (79, 157085), (89, 139435), (353, 35155), (395, 31417), (445, 27887), (1765, 7031)]