2194560005

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{20771}}^1$

素因数の和:20917

約数の個数: 32

約数和(自身を含む): 3068938368

約数和(自身を除く): 874378363

約数列:

[1, 5, 11, 17, 55, 85, 113, 187, 565, 935, 1243, 1921, 6215, 9605, 20771, 21131, 103855, 105655, 228481, 353107, 1142405, 1765535, 2347123, 3884177, 11735615, 19420885, 25818353, 39901091, 129091765, 199505455, 438912001, 2194560005]

約数ペア:

[(1, 2194560005), (5, 438912001), (11, 199505455), (17, 129091765), (55, 39901091), (85, 25818353), (113, 19420885), (187, 11735615), (565, 3884177), (935, 2347123), (1243, 1765535), (1921, 1142405), (6215, 353107), (9605, 228481), (20771, 105655), (21131, 103855)]