2639388

素因数分解:

$2^2\times 3^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{131}}^1$

素因数の和:234

約数の個数: 48

約数和(自身を含む): 6564096

約数和(自身を除く): 3924708

約数列:

[1, 2, 3, 4, 6, 12, 23, 46, 69, 73, 92, 131, 138, 146, 219, 262, 276, 292, 393, 438, 524, 786, 876, 1572, 1679, 3013, 3358, 5037, 6026, 6716, 9039, 9563, 10074, 12052, 18078, 19126, 20148, 28689, 36156, 38252, 57378, 114756, 219949, 439898, 659847, 879796, 1319694, 2639388]

約数ペア:

[(1, 2639388), (2, 1319694), (3, 879796), (4, 659847), (6, 439898), (12, 219949), (23, 114756), (46, 57378), (69, 38252), (73, 36156), (92, 28689), (131, 20148), (138, 19126), (146, 18078), (219, 12052), (262, 10074), (276, 9563), (292, 9039), (393, 6716), (438, 6026), (524, 5037), (786, 3358), (876, 3013), (1572, 1679)]