11989505

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{12823}}^1$

素因数の和:12856

約数の個数: 16

約数和(自身を含む): 16619904

約数和(自身を除く): 4630399

約数列:

[1, 5, 11, 17, 55, 85, 187, 935, 12823, 64115, 141053, 217991, 705265, 1089955, 2397901, 11989505]

約数ペア:

[(1, 11989505), (5, 2397901), (11, 1089955), (17, 705265), (55, 217991), (85, 141053), (187, 64115), (935, 12823)]