87879376

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{409}}^1\times {\mathrm{1033}}^1$

素因数の和:1463

約数の個数: 40

約数和(自身を含む): 183989960

約数和(自身を除く): 96110584

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 409, 818, 1033, 1636, 2066, 3272, 4132, 5317, 6544, 8264, 10634, 13429, 16528, 21268, 26858, 42536, 53716, 85072, 107432, 214864, 422497, 844994, 1689988, 3379976, 5492461, 6759952, 10984922, 21969844, 43939688, 87879376]

約数ペア:

[(1, 87879376), (2, 43939688), (4, 21969844), (8, 10984922), (13, 6759952), (16, 5492461), (26, 3379976), (52, 1689988), (104, 844994), (208, 422497), (409, 214864), (818, 107432), (1033, 85072), (1636, 53716), (2066, 42536), (3272, 26858), (4132, 21268), (5317, 16528), (6544, 13429), (8264, 10634)]