287138852

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{71713}}^1$

素因数の和:71748

約数の個数: 48

約数和(自身を含む): 674685312

約数和(自身を除く): 387546460

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 143, 154, 182, 286, 308, 364, 572, 1001, 2002, 4004, 71713, 143426, 286852, 501991, 788843, 932269, 1003982, 1577686, 1864538, 2007964, 3155372, 3729076, 5521901, 6525883, 10254959, 11043802, 13051766, 20509918, 22087604, 26103532, 41019836, 71784713, 143569426, 287138852]

約数ペア:

[(1, 287138852), (2, 143569426), (4, 71784713), (7, 41019836), (11, 26103532), (13, 22087604), (14, 20509918), (22, 13051766), (26, 11043802), (28, 10254959), (44, 6525883), (52, 5521901), (77, 3729076), (91, 3155372), (143, 2007964), (154, 1864538), (182, 1577686), (286, 1003982), (308, 932269), (364, 788843), (572, 501991), (1001, 286852), (2002, 143426), (4004, 71713)]