248850105

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{97}}^1\times {\mathrm{461}}^1$

素因数の和:626

約数の個数: 64

約数和(自身を含む): 469421568

約数和(自身を除く): 220571463

約数列:

[1, 3, 5, 7, 15, 21, 35, 53, 97, 105, 159, 265, 291, 371, 461, 485, 679, 795, 1113, 1383, 1455, 1855, 2037, 2305, 3227, 3395, 5141, 5565, 6915, 9681, 10185, 15423, 16135, 24433, 25705, 35987, 44717, 48405, 73299, 77115, 107961, 122165, 134151, 171031, 179935, 223585, 313019, 366495, 513093, 539805, 670755, 855155, 939057, 1565095, 2370001, 2565465, 4695285, 7110003, 11850005, 16590007, 35550015, 49770021, 82950035, 248850105]

約数ペア:

[(1, 248850105), (3, 82950035), (5, 49770021), (7, 35550015), (15, 16590007), (21, 11850005), (35, 7110003), (53, 4695285), (97, 2565465), (105, 2370001), (159, 1565095), (265, 939057), (291, 855155), (371, 670755), (461, 539805), (485, 513093), (679, 366495), (795, 313019), (1113, 223585), (1383, 179935), (1455, 171031), (1855, 134151), (2037, 122165), (2305, 107961), (3227, 77115), (3395, 73299), (5141, 48405), (5565, 44717), (6915, 35987), (9681, 25705), (10185, 24433), (15423, 16135)]