287821836

素因数分解:

$2^2\times 3^5\times {\mathrm{277}}^1\times {\mathrm{1069}}^1$

素因数の和:1365

約数の個数: 72

約数和(自身を含む): 757928080

約数和(自身を除く): 470106244

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 81, 108, 162, 243, 277, 324, 486, 554, 831, 972, 1069, 1108, 1662, 2138, 2493, 3207, 3324, 4276, 4986, 6414, 7479, 9621, 9972, 12828, 14958, 19242, 22437, 28863, 29916, 38484, 44874, 57726, 67311, 86589, 89748, 115452, 134622, 173178, 259767, 269244, 296113, 346356, 519534, 592226, 888339, 1039068, 1184452, 1776678, 2665017, 3553356, 5330034, 7995051, 10660068, 15990102, 23985153, 31980204, 47970306, 71955459, 95940612, 143910918, 287821836]

約数ペア:

[(1, 287821836), (2, 143910918), (3, 95940612), (4, 71955459), (6, 47970306), (9, 31980204), (12, 23985153), (18, 15990102), (27, 10660068), (36, 7995051), (54, 5330034), (81, 3553356), (108, 2665017), (162, 1776678), (243, 1184452), (277, 1039068), (324, 888339), (486, 592226), (554, 519534), (831, 346356), (972, 296113), (1069, 269244), (1108, 259767), (1662, 173178), (2138, 134622), (2493, 115452), (3207, 89748), (3324, 86589), (4276, 67311), (4986, 57726), (6414, 44874), (7479, 38484), (9621, 29916), (9972, 28863), (12828, 22437), (14958, 19242)]