66820358

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{21851}}^1$

素因数の和:22003

約数の個数: 16

約数和(自身を含む): 110134080

約数和(自身を除く): 43313722

約数列:

[1, 2, 11, 22, 139, 278, 1529, 3058, 21851, 43702, 240361, 480722, 3037289, 6074578, 33410179, 66820358]

約数ペア:

[(1, 66820358), (2, 33410179), (11, 6074578), (22, 3037289), (139, 480722), (278, 240361), (1529, 43702), (3058, 21851)]