396820263

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:388

約数の個数: 64

約数和(自身を含む): 660602880

約数和(自身を除く): 263782617

約数列:

[1, 3, 7, 19, 21, 41, 57, 123, 127, 133, 191, 287, 381, 399, 573, 779, 861, 889, 1337, 2337, 2413, 2667, 3629, 4011, 5207, 5453, 7239, 7831, 10887, 15621, 16359, 16891, 23493, 24257, 25403, 36449, 50673, 54817, 72771, 76209, 98933, 109347, 148789, 164451, 169799, 296799, 446367, 460883, 509397, 692531, 994537, 1041523, 1382649, 2077593, 2983611, 3124569, 3226181, 6961759, 9678543, 18896203, 20885277, 56688609, 132273421, 396820263]

約数ペア:

[(1, 396820263), (3, 132273421), (7, 56688609), (19, 20885277), (21, 18896203), (41, 9678543), (57, 6961759), (123, 3226181), (127, 3124569), (133, 2983611), (191, 2077593), (287, 1382649), (381, 1041523), (399, 994537), (573, 692531), (779, 509397), (861, 460883), (889, 446367), (1337, 296799), (2337, 169799), (2413, 164451), (2667, 148789), (3629, 109347), (4011, 98933), (5207, 76209), (5453, 72771), (7239, 54817), (7831, 50673), (10887, 36449), (15621, 25403), (16359, 24257), (16891, 23493)]