181781748

素因数分解:

$2^2\times 3^2\times {\mathrm{17}}^1\times {\mathrm{317}}^1\times {\mathrm{937}}^1$

素因数の和:1281

約数の個数: 72

約数和(自身を含む): 488589192

約数和(自身を除く): 306807444

約数列:

[1, 2, 3, 4, 6, 9, 12, 17, 18, 34, 36, 51, 68, 102, 153, 204, 306, 317, 612, 634, 937, 951, 1268, 1874, 1902, 2811, 2853, 3748, 3804, 5389, 5622, 5706, 8433, 10778, 11244, 11412, 15929, 16167, 16866, 21556, 31858, 32334, 33732, 47787, 48501, 63716, 64668, 95574, 97002, 143361, 191148, 194004, 286722, 297029, 573444, 594058, 891087, 1188116, 1782174, 2673261, 3564348, 5049493, 5346522, 10098986, 10693044, 15148479, 20197972, 30296958, 45445437, 60593916, 90890874, 181781748]

約数ペア:

[(1, 181781748), (2, 90890874), (3, 60593916), (4, 45445437), (6, 30296958), (9, 20197972), (12, 15148479), (17, 10693044), (18, 10098986), (34, 5346522), (36, 5049493), (51, 3564348), (68, 2673261), (102, 1782174), (153, 1188116), (204, 891087), (306, 594058), (317, 573444), (612, 297029), (634, 286722), (937, 194004), (951, 191148), (1268, 143361), (1874, 97002), (1902, 95574), (2811, 64668), (2853, 63716), (3748, 48501), (3804, 47787), (5389, 33732), (5622, 32334), (5706, 31858), (8433, 21556), (10778, 16866), (11244, 16167), (11412, 15929)]