38881648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{3527}}^1$

素因数の和:3601

約数の個数: 40

約数和(自身を含む): 82682208

約数和(自身を除く): 43800560

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 53, 104, 106, 208, 212, 424, 689, 848, 1378, 2756, 3527, 5512, 7054, 11024, 14108, 28216, 45851, 56432, 91702, 183404, 186931, 366808, 373862, 733616, 747724, 1495448, 2430103, 2990896, 4860206, 9720412, 19440824, 38881648]

約数ペア:

[(1, 38881648), (2, 19440824), (4, 9720412), (8, 4860206), (13, 2990896), (16, 2430103), (26, 1495448), (52, 747724), (53, 733616), (104, 373862), (106, 366808), (208, 186931), (212, 183404), (424, 91702), (689, 56432), (848, 45851), (1378, 28216), (2756, 14108), (3527, 11024), (5512, 7054)]