1279787756

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{251}}^1\times {\mathrm{3163}}^1$

素因数の和:3462

約数の個数: 48

約数和(自身を含む): 2500420608

約数和(自身を除く): 1220632852

約数列:

[1, 2, 4, 13, 26, 31, 52, 62, 124, 251, 403, 502, 806, 1004, 1612, 3163, 3263, 6326, 6526, 7781, 12652, 13052, 15562, 31124, 41119, 82238, 98053, 101153, 164476, 196106, 202306, 392212, 404612, 793913, 1274689, 1587826, 2549378, 3175652, 5098756, 10320869, 20641738, 24611303, 41283476, 49222606, 98445212, 319946939, 639893878, 1279787756]

約数ペア:

[(1, 1279787756), (2, 639893878), (4, 319946939), (13, 98445212), (26, 49222606), (31, 41283476), (52, 24611303), (62, 20641738), (124, 10320869), (251, 5098756), (403, 3175652), (502, 2549378), (806, 1587826), (1004, 1274689), (1612, 793913), (3163, 404612), (3263, 392212), (6326, 202306), (6526, 196106), (7781, 164476), (12652, 101153), (13052, 98053), (15562, 82238), (31124, 41119)]