28665224

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{929}}^1$

素因数の和:990

約数の個数: 64

約数和(自身を含む): 66960000

約数和(自身を除く): 38294776

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 29, 38, 56, 58, 76, 116, 133, 152, 203, 232, 266, 406, 532, 551, 812, 929, 1064, 1102, 1624, 1858, 2204, 3716, 3857, 4408, 6503, 7432, 7714, 13006, 15428, 17651, 26012, 26941, 30856, 35302, 52024, 53882, 70604, 107764, 123557, 141208, 188587, 215528, 247114, 377174, 494228, 511879, 754348, 988456, 1023758, 1508696, 2047516, 3583153, 4095032, 7166306, 14332612, 28665224]

約数ペア:

[(1, 28665224), (2, 14332612), (4, 7166306), (7, 4095032), (8, 3583153), (14, 2047516), (19, 1508696), (28, 1023758), (29, 988456), (38, 754348), (56, 511879), (58, 494228), (76, 377174), (116, 247114), (133, 215528), (152, 188587), (203, 141208), (232, 123557), (266, 107764), (406, 70604), (532, 53882), (551, 52024), (812, 35302), (929, 30856), (1064, 26941), (1102, 26012), (1624, 17651), (1858, 15428), (2204, 13006), (3716, 7714), (3857, 7432), (4408, 6503)]