31361990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{25919}}^1$

素因数の和:25948

約数の個数: 24

約数和(自身を含む): 62052480

約数和(自身を除く): 30690490

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 25919, 51838, 129595, 259190, 285109, 570218, 1425545, 2851090, 3136199, 6272398, 15680995, 31361990]

約数ペア:

[(1, 31361990), (2, 15680995), (5, 6272398), (10, 3136199), (11, 2851090), (22, 1425545), (55, 570218), (110, 285109), (121, 259190), (242, 129595), (605, 51838), (1210, 25919)]