218698220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{841147}}^1$

素因数の和:841169

約数の個数: 24

約数和(自身を含む): 494595024

約数和(自身を除く): 275896804

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 841147, 1682294, 3364588, 4205735, 8411470, 10934911, 16822940, 21869822, 43739644, 54674555, 109349110, 218698220]

約数ペア:

[(1, 218698220), (2, 109349110), (4, 54674555), (5, 43739644), (10, 21869822), (13, 16822940), (20, 10934911), (26, 8411470), (52, 4205735), (65, 3364588), (130, 1682294), (260, 841147)]