217321202

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1\times {\mathrm{311}}^1$

素因数の和:447

約数の個数: 64

約数和(自身を含む): 409743360

約数和(自身を除く): 192422158

約数列:

[1, 2, 7, 14, 19, 37, 38, 71, 74, 133, 142, 259, 266, 311, 497, 518, 622, 703, 994, 1349, 1406, 2177, 2627, 2698, 4354, 4921, 5254, 5909, 9443, 9842, 11507, 11818, 18389, 18886, 22081, 23014, 36778, 41363, 44162, 49913, 80549, 82726, 99826, 154567, 161098, 218633, 309134, 349391, 419539, 437266, 698782, 816997, 839078, 1530431, 1633994, 2936773, 3060862, 5718979, 5873546, 11437958, 15522943, 31045886, 108660601, 217321202]

約数ペア:

[(1, 217321202), (2, 108660601), (7, 31045886), (14, 15522943), (19, 11437958), (37, 5873546), (38, 5718979), (71, 3060862), (74, 2936773), (133, 1633994), (142, 1530431), (259, 839078), (266, 816997), (311, 698782), (497, 437266), (518, 419539), (622, 349391), (703, 309134), (994, 218633), (1349, 161098), (1406, 154567), (2177, 99826), (2627, 82726), (2698, 80549), (4354, 49913), (4921, 44162), (5254, 41363), (5909, 36778), (9443, 23014), (9842, 22081), (11507, 18886), (11818, 18389)]