28105776

素因数分解:

$2^4\times 3^2\times {\mathrm{71}}^1\times {\mathrm{2749}}^1$

素因数の和:2834

約数の個数: 60

約数和(自身を含む): 79794000

約数和(自身を除く): 51688224

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 71, 72, 142, 144, 213, 284, 426, 568, 639, 852, 1136, 1278, 1704, 2556, 2749, 3408, 5112, 5498, 8247, 10224, 10996, 16494, 21992, 24741, 32988, 43984, 49482, 65976, 98964, 131952, 195179, 197928, 390358, 395856, 585537, 780716, 1171074, 1561432, 1756611, 2342148, 3122864, 3513222, 4684296, 7026444, 9368592, 14052888, 28105776]

約数ペア:

[(1, 28105776), (2, 14052888), (3, 9368592), (4, 7026444), (6, 4684296), (8, 3513222), (9, 3122864), (12, 2342148), (16, 1756611), (18, 1561432), (24, 1171074), (36, 780716), (48, 585537), (71, 395856), (72, 390358), (142, 197928), (144, 195179), (213, 131952), (284, 98964), (426, 65976), (568, 49482), (639, 43984), (852, 32988), (1136, 24741), (1278, 21992), (1704, 16494), (2556, 10996), (2749, 10224), (3408, 8247), (5112, 5498)]