28006572

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{331}}^1\times {\mathrm{641}}^1$

素因数の和:990

約数の個数: 48

約数和(自身を含む): 71616384

約数和(自身を除く): 43609812

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 331, 641, 662, 993, 1282, 1324, 1923, 1986, 2564, 3641, 3846, 3972, 7051, 7282, 7692, 10923, 14102, 14564, 21153, 21846, 28204, 42306, 43692, 84612, 212171, 424342, 636513, 848684, 1273026, 2333881, 2546052, 4667762, 7001643, 9335524, 14003286, 28006572]

約数ペア:

[(1, 28006572), (2, 14003286), (3, 9335524), (4, 7001643), (6, 4667762), (11, 2546052), (12, 2333881), (22, 1273026), (33, 848684), (44, 636513), (66, 424342), (132, 212171), (331, 84612), (641, 43692), (662, 42306), (993, 28204), (1282, 21846), (1324, 21153), (1923, 14564), (1986, 14102), (2564, 10923), (3641, 7692), (3846, 7282), (3972, 7051)]