261541514

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{127}}^1\times {\mathrm{769}}^1$

素因数の和:1014

約数の個数: 32

約数和(自身を含む): 430510080

約数和(自身を除く): 168968566

約数列:

[1, 2, 13, 26, 103, 127, 206, 254, 769, 1339, 1538, 1651, 2678, 3302, 9997, 13081, 19994, 26162, 79207, 97663, 158414, 170053, 195326, 340106, 1029691, 1269619, 2059382, 2539238, 10059289, 20118578, 130770757, 261541514]

約数ペア:

[(1, 261541514), (2, 130770757), (13, 20118578), (26, 10059289), (103, 2539238), (127, 2059382), (206, 1269619), (254, 1029691), (769, 340106), (1339, 195326), (1538, 170053), (1651, 158414), (2678, 97663), (3302, 79207), (9997, 26162), (13081, 19994)]