65644216

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{20161}}^1$

素因数の和:20215

約数の個数: 32

約数和(自身を含む): 137908080

約数和(自身を除く): 72263864

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 20161, 40322, 80644, 161288, 221771, 443542, 745957, 887084, 1491914, 1774168, 2983828, 5967656, 8205527, 16411054, 32822108, 65644216]

約数ペア:

[(1, 65644216), (2, 32822108), (4, 16411054), (8, 8205527), (11, 5967656), (22, 2983828), (37, 1774168), (44, 1491914), (74, 887084), (88, 745957), (148, 443542), (296, 221771), (407, 161288), (814, 80644), (1628, 40322), (3256, 20161)]