278319323529

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{311}}^1\times {\mathrm{104779}}^1$

素因数の和:105182

約数の個数: 48

約数和(自身を含む): 440287236480

約数和(自身を除く): 161967912951

約数列:

[1, 3, 9, 13, 39, 73, 117, 219, 311, 657, 933, 949, 2799, 2847, 4043, 8541, 12129, 22703, 36387, 68109, 104779, 204327, 295139, 314337, 885417, 943011, 1362127, 2656251, 4086381, 7648867, 12259143, 22946601, 32586269, 68839803, 97758807, 99435271, 293276421, 298305813, 423621497, 894917439, 1270864491, 2378797637, 3812593473, 7136392911, 21409178733, 30924369281, 92773107843, 278319323529]

約数ペア:

[(1, 278319323529), (3, 92773107843), (9, 30924369281), (13, 21409178733), (39, 7136392911), (73, 3812593473), (117, 2378797637), (219, 1270864491), (311, 894917439), (657, 423621497), (933, 298305813), (949, 293276421), (2799, 99435271), (2847, 97758807), (4043, 68839803), (8541, 32586269), (12129, 22946601), (22703, 12259143), (36387, 7648867), (68109, 4086381), (104779, 2656251), (204327, 1362127), (295139, 943011), (314337, 885417)]