890673868

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{57731}}^1$

素因数の和:57790

約数の個数: 48

約数和(自身を含む): 1939795200

約数和(自身を除く): 1049121332

約数列:

[1, 2, 4, 7, 14, 19, 28, 29, 38, 58, 76, 116, 133, 203, 266, 406, 532, 551, 812, 1102, 2204, 3857, 7714, 15428, 57731, 115462, 230924, 404117, 808234, 1096889, 1616468, 1674199, 2193778, 3348398, 4387556, 6696796, 7678223, 11719393, 15356446, 23438786, 30712892, 31809781, 46877572, 63619562, 127239124, 222668467, 445336934, 890673868]

約数ペア:

[(1, 890673868), (2, 445336934), (4, 222668467), (7, 127239124), (14, 63619562), (19, 46877572), (28, 31809781), (29, 30712892), (38, 23438786), (58, 15356446), (76, 11719393), (116, 7678223), (133, 6696796), (203, 4387556), (266, 3348398), (406, 2193778), (532, 1674199), (551, 1616468), (812, 1096889), (1102, 808234), (2204, 404117), (3857, 230924), (7714, 115462), (15428, 57731)]