51575394

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{139}}^1$

素因数の和:295

約数の個数: 64

約数和(自身を含む): 115153920

約数和(自身を除く): 63578526

約数列:

[1, 2, 3, 6, 13, 26, 39, 67, 71, 78, 134, 139, 142, 201, 213, 278, 402, 417, 426, 834, 871, 923, 1742, 1807, 1846, 2613, 2769, 3614, 4757, 5226, 5421, 5538, 9313, 9514, 9869, 10842, 14271, 18626, 19738, 27939, 28542, 29607, 55878, 59214, 61841, 121069, 123682, 128297, 185523, 242138, 256594, 363207, 371046, 384891, 661223, 726414, 769782, 1322446, 1983669, 3967338, 8595899, 17191798, 25787697, 51575394]

約数ペア:

[(1, 51575394), (2, 25787697), (3, 17191798), (6, 8595899), (13, 3967338), (26, 1983669), (39, 1322446), (67, 769782), (71, 726414), (78, 661223), (134, 384891), (139, 371046), (142, 363207), (201, 256594), (213, 242138), (278, 185523), (402, 128297), (417, 123682), (426, 121069), (834, 61841), (871, 59214), (923, 55878), (1742, 29607), (1807, 28542), (1846, 27939), (2613, 19738), (2769, 18626), (3614, 14271), (4757, 10842), (5226, 9869), (5421, 9514), (5538, 9313)]