28255318

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{8171}}^1$

素因数の和:8212

約数の個数: 32

約数和(自身を含む): 54915840

約数和(自身を除く): 26660522

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 8171, 16342, 57197, 106223, 114394, 155249, 212446, 310498, 743561, 1086743, 1487122, 2018237, 2173486, 4036474, 14127659, 28255318]

約数ペア:

[(1, 28255318), (2, 14127659), (7, 4036474), (13, 2173486), (14, 2018237), (19, 1487122), (26, 1086743), (38, 743561), (91, 310498), (133, 212446), (182, 155249), (247, 114394), (266, 106223), (494, 57197), (1729, 16342), (3458, 8171)]