2011105855

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{17863}}^1$

素因数の和:17991

約数の個数: 32

約数和(自身を含む): 2778209280

約数和(自身を除く): 767103425

約数列:

[1, 5, 11, 23, 55, 89, 115, 253, 445, 979, 1265, 2047, 4895, 10235, 17863, 22517, 89315, 112585, 196493, 410849, 982465, 1589807, 2054245, 4519339, 7949035, 17487877, 22596695, 36565561, 87439385, 182827805, 402221171, 2011105855]

約数ペア:

[(1, 2011105855), (5, 402221171), (11, 182827805), (23, 87439385), (55, 36565561), (89, 22596695), (115, 17487877), (253, 7949035), (445, 4519339), (979, 2054245), (1265, 1589807), (2047, 982465), (4895, 410849), (10235, 196493), (17863, 112585), (22517, 89315)]