28087644

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{401}}^1\times {\mathrm{449}}^1$

素因数の和:870

約数の個数: 48

約数和(自身を含む): 70912800

約数和(自身を除く): 42825156

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 401, 449, 802, 898, 1203, 1347, 1604, 1796, 2406, 2694, 4812, 5213, 5388, 5837, 10426, 11674, 15639, 17511, 20852, 23348, 31278, 35022, 62556, 70044, 180049, 360098, 540147, 720196, 1080294, 2160588, 2340637, 4681274, 7021911, 9362548, 14043822, 28087644]

約数ペア:

[(1, 28087644), (2, 14043822), (3, 9362548), (4, 7021911), (6, 4681274), (12, 2340637), (13, 2160588), (26, 1080294), (39, 720196), (52, 540147), (78, 360098), (156, 180049), (401, 70044), (449, 62556), (802, 35022), (898, 31278), (1203, 23348), (1347, 20852), (1604, 17511), (1796, 15639), (2406, 11674), (2694, 10426), (4812, 5837), (5213, 5388)]