12889844

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:356

約数の個数: 48

約数和(自身を含む): 26320896

約数和(自身を除く): 13431052

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 47, 92, 94, 188, 253, 271, 506, 517, 542, 1012, 1034, 1081, 1084, 2068, 2162, 2981, 4324, 5962, 6233, 11891, 11924, 12466, 12737, 23782, 24932, 25474, 47564, 50948, 68563, 137126, 140107, 274252, 280214, 292951, 560428, 585902, 1171804, 3222461, 6444922, 12889844]

約数ペア:

[(1, 12889844), (2, 6444922), (4, 3222461), (11, 1171804), (22, 585902), (23, 560428), (44, 292951), (46, 280214), (47, 274252), (92, 140107), (94, 137126), (188, 68563), (253, 50948), (271, 47564), (506, 25474), (517, 24932), (542, 23782), (1012, 12737), (1034, 12466), (1081, 11924), (1084, 11891), (2068, 6233), (2162, 5962), (2981, 4324)]