205484015

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19979}}^1$

素因数の和:20023

約数の個数: 24

約数和(自身を含む): 286992720

約数和(自身を除く): 81508705

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 605, 935, 2057, 10285, 19979, 99895, 219769, 339643, 1098845, 1698215, 2417459, 3736073, 12087295, 18680365, 41096803, 205484015]

約数ペア:

[(1, 205484015), (5, 41096803), (11, 18680365), (17, 12087295), (55, 3736073), (85, 2417459), (121, 1698215), (187, 1098845), (605, 339643), (935, 219769), (2057, 99895), (10285, 19979)]