898938544

素因数分解:

$2^4\times 7^1\times {\mathrm{47}}^1\times {\mathrm{389}}^1\times {\mathrm{439}}^1$

素因数の和:890

約数の個数: 80

約数和(自身を含む): 2042726400

約数和(自身を除く): 1143787856

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 47, 56, 94, 112, 188, 329, 376, 389, 439, 658, 752, 778, 878, 1316, 1556, 1756, 2632, 2723, 3073, 3112, 3512, 5264, 5446, 6146, 6224, 7024, 10892, 12292, 18283, 20633, 21784, 24584, 36566, 41266, 43568, 49168, 73132, 82532, 127981, 144431, 146264, 165064, 170771, 255962, 288862, 292528, 330128, 341542, 511924, 577724, 683084, 1023848, 1155448, 1195397, 1366168, 2047696, 2310896, 2390794, 2732336, 4781588, 8026237, 9563176, 16052474, 19126352, 32104948, 56183659, 64209896, 112367318, 128419792, 224734636, 449469272, 898938544]

約数ペア:

[(1, 898938544), (2, 449469272), (4, 224734636), (7, 128419792), (8, 112367318), (14, 64209896), (16, 56183659), (28, 32104948), (47, 19126352), (56, 16052474), (94, 9563176), (112, 8026237), (188, 4781588), (329, 2732336), (376, 2390794), (389, 2310896), (439, 2047696), (658, 1366168), (752, 1195397), (778, 1155448), (878, 1023848), (1316, 683084), (1556, 577724), (1756, 511924), (2632, 341542), (2723, 330128), (3073, 292528), (3112, 288862), (3512, 255962), (5264, 170771), (5446, 165064), (6146, 146264), (6224, 144431), (7024, 127981), (10892, 82532), (12292, 73132), (18283, 49168), (20633, 43568), (21784, 41266), (24584, 36566)]