81421776

素因数分解:

$2^4\times 3^2\times {\mathrm{565429}}^1$

素因数の和:565443

約数の個数: 30

約数和(自身を含む): 227868290

約数和(自身を除く): 146446514

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, 565429, 1130858, 1696287, 2261716, 3392574, 4523432, 5088861, 6785148, 9046864, 10177722, 13570296, 20355444, 27140592, 40710888, 81421776]

約数ペア:

[(1, 81421776), (2, 40710888), (3, 27140592), (4, 20355444), (6, 13570296), (8, 10177722), (9, 9046864), (12, 6785148), (16, 5088861), (18, 4523432), (24, 3392574), (36, 2261716), (48, 1696287), (72, 1130858), (144, 565429)]