28983724

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{677}}^1$

素因数の和:838

約数の個数: 48

約数和(自身を含む): 63786240

約数和(自身を除く): 34802516

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 77, 139, 154, 278, 308, 556, 677, 973, 1354, 1529, 1946, 2708, 3058, 3892, 4739, 6116, 7447, 9478, 10703, 14894, 18956, 21406, 29788, 42812, 52129, 94103, 104258, 188206, 208516, 376412, 658721, 1035133, 1317442, 2070266, 2634884, 4140532, 7245931, 14491862, 28983724]

約数ペア:

[(1, 28983724), (2, 14491862), (4, 7245931), (7, 4140532), (11, 2634884), (14, 2070266), (22, 1317442), (28, 1035133), (44, 658721), (77, 376412), (139, 208516), (154, 188206), (278, 104258), (308, 94103), (556, 52129), (677, 42812), (973, 29788), (1354, 21406), (1529, 18956), (1946, 14894), (2708, 10703), (3058, 9478), (3892, 7447), (4739, 6116)]