28643814

素因数分解:

$2^1\times 3^3\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{241}}^1$

素因数の和:354

約数の個数: 64

約数和(自身を含む): 66908160

約数和(自身を除く): 38264346

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 71, 93, 142, 186, 213, 241, 279, 426, 482, 558, 639, 723, 837, 1278, 1446, 1674, 1917, 2169, 2201, 3834, 4338, 4402, 6507, 6603, 7471, 13014, 13206, 14942, 17111, 19809, 22413, 34222, 39618, 44826, 51333, 59427, 67239, 102666, 118854, 134478, 153999, 201717, 307998, 403434, 461997, 530441, 923994, 1060882, 1591323, 3182646, 4773969, 9547938, 14321907, 28643814]

約数ペア:

[(1, 28643814), (2, 14321907), (3, 9547938), (6, 4773969), (9, 3182646), (18, 1591323), (27, 1060882), (31, 923994), (54, 530441), (62, 461997), (71, 403434), (93, 307998), (142, 201717), (186, 153999), (213, 134478), (241, 118854), (279, 102666), (426, 67239), (482, 59427), (558, 51333), (639, 44826), (723, 39618), (837, 34222), (1278, 22413), (1446, 19809), (1674, 17111), (1917, 14942), (2169, 13206), (2201, 13014), (3834, 7471), (4338, 6603), (4402, 6507)]