28763812

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{47}}^1\times {\mathrm{1987}}^1$

素因数の和:2056

約数の個数: 48

約数和(自身を含む): 64124928

約数和(自身を除く): 35361116

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 47, 77, 94, 154, 188, 308, 329, 517, 658, 1034, 1316, 1987, 2068, 3619, 3974, 7238, 7948, 13909, 14476, 21857, 27818, 43714, 55636, 87428, 93389, 152999, 186778, 305998, 373556, 611996, 653723, 1027279, 1307446, 2054558, 2614892, 4109116, 7190953, 14381906, 28763812]

約数ペア:

[(1, 28763812), (2, 14381906), (4, 7190953), (7, 4109116), (11, 2614892), (14, 2054558), (22, 1307446), (28, 1027279), (44, 653723), (47, 611996), (77, 373556), (94, 305998), (154, 186778), (188, 152999), (308, 93389), (329, 87428), (517, 55636), (658, 43714), (1034, 27818), (1316, 21857), (1987, 14476), (2068, 13909), (3619, 7948), (3974, 7238)]