256801886

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{1367}}^1\times {\mathrm{8539}}^1$

素因数の和:9919

約数の個数: 16

約数和(自身を含む): 420577920

約数和(自身を除く): 163776034

約数列:

[1, 2, 11, 22, 1367, 2734, 8539, 15037, 17078, 30074, 93929, 187858, 11672813, 23345626, 128400943, 256801886]

約数ペア:

[(1, 256801886), (2, 128400943), (11, 23345626), (22, 11672813), (1367, 187858), (2734, 93929), (8539, 30074), (15037, 17078)]