28937524

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1999}}^1$

素因数の和:2068

約数の個数: 48

約数和(自身を含む): 64512000

約数和(自身を除く): 35574476

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 1999, 2068, 3619, 3998, 7238, 7996, 13993, 14476, 21989, 27986, 43978, 55972, 87956, 93953, 153923, 187906, 307846, 375812, 615692, 657671, 1033483, 1315342, 2066966, 2630684, 4133932, 7234381, 14468762, 28937524]

約数ペア:

[(1, 28937524), (2, 14468762), (4, 7234381), (7, 4133932), (11, 2630684), (14, 2066966), (22, 1315342), (28, 1033483), (44, 657671), (47, 615692), (77, 375812), (94, 307846), (154, 187906), (188, 153923), (308, 93953), (329, 87956), (517, 55972), (658, 43978), (1034, 27986), (1316, 21989), (1999, 14476), (2068, 13993), (3619, 7996), (3998, 7238)]