2078679304

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{19987301}}^1$

素因数の和:19987320

約数の個数: 16

約数和(自身を含む): 4197333420

約数和(自身を除く): 2118654116

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 19987301, 39974602, 79949204, 159898408, 259834913, 519669826, 1039339652, 2078679304]

約数ペア:

[(1, 2078679304), (2, 1039339652), (4, 519669826), (8, 259834913), (13, 159898408), (26, 79949204), (52, 39974602), (104, 19987301)]