82128641

素因数分解:

$7^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{193}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 101910528

約数和(自身を除く): 19781887

約数列:

[1, 7, 31, 37, 53, 193, 217, 259, 371, 1147, 1351, 1643, 1961, 5983, 7141, 8029, 10229, 11501, 13727, 41881, 49987, 60791, 71603, 221371, 317099, 378473, 425537, 1549597, 2219693, 2649311, 11732663, 82128641]

約数ペア:

[(1, 82128641), (7, 11732663), (31, 2649311), (37, 2219693), (53, 1549597), (193, 425537), (217, 378473), (259, 317099), (371, 221371), (1147, 71603), (1351, 60791), (1643, 49987), (1961, 41881), (5983, 13727), (7141, 11501), (8029, 10229)]