28768348

素因数分解:

$2^2\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{499}}^1$

素因数の和:610

約数の個数: 48

約数和(自身を含む): 60480000

約数和(自身を除く): 31711652

約数列:

[1, 2, 4, 7, 14, 28, 29, 58, 71, 116, 142, 203, 284, 406, 497, 499, 812, 994, 998, 1988, 1996, 2059, 3493, 4118, 6986, 8236, 13972, 14413, 14471, 28826, 28942, 35429, 57652, 57884, 70858, 101297, 141716, 202594, 248003, 405188, 496006, 992012, 1027441, 2054882, 4109764, 7192087, 14384174, 28768348]

約数ペア:

[(1, 28768348), (2, 14384174), (4, 7192087), (7, 4109764), (14, 2054882), (28, 1027441), (29, 992012), (58, 496006), (71, 405188), (116, 248003), (142, 202594), (203, 141716), (284, 101297), (406, 70858), (497, 57884), (499, 57652), (812, 35429), (994, 28942), (998, 28826), (1988, 14471), (1996, 14413), (2059, 13972), (3493, 8236), (4118, 6986)]