213676870

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{431}}^1\times {\mathrm{4507}}^1$

素因数の和:4956

約数の個数: 32

約数和(自身を含む): 420650496

約数和(自身を除く): 206973626

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 431, 862, 2155, 4310, 4507, 4741, 9014, 9482, 22535, 23705, 45070, 47410, 49577, 99154, 247885, 495770, 1942517, 3885034, 9712585, 19425170, 21367687, 42735374, 106838435, 213676870]

約数ペア:

[(1, 213676870), (2, 106838435), (5, 42735374), (10, 21367687), (11, 19425170), (22, 9712585), (55, 3885034), (110, 1942517), (431, 495770), (862, 247885), (2155, 99154), (4310, 49577), (4507, 47410), (4741, 45070), (9014, 23705), (9482, 22535)]