2128661645

素因数分解:

$5^1\times {\mathrm{11}}^3\times {\mathrm{499}}^1\times {\mathrm{641}}^1$

素因数の和:1178

約数の個数: 32

約数和(自身を含む): 2819664000

約数和(自身を除く): 691002355

約数列:

[1, 5, 11, 55, 121, 499, 605, 641, 1331, 2495, 3205, 5489, 6655, 7051, 27445, 35255, 60379, 77561, 301895, 319859, 387805, 664169, 853171, 1599295, 3320845, 3518449, 4265855, 17592245, 38702939, 193514695, 425732329, 2128661645]

約数ペア:

[(1, 2128661645), (5, 425732329), (11, 193514695), (55, 38702939), (121, 17592245), (499, 4265855), (605, 3518449), (641, 3320845), (1331, 1599295), (2495, 853171), (3205, 664169), (5489, 387805), (6655, 319859), (7051, 301895), (27445, 77561), (35255, 60379)]