31389358

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{15679}}^1$

素因数の和:15712

約数の個数: 32

約数和(自身を含む): 63221760

約数和(自身を除く): 31832402

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 1001, 2002, 15679, 31358, 109753, 172469, 203827, 219506, 344938, 407654, 1207283, 1426789, 2242097, 2414566, 2853578, 4484194, 15694679, 31389358]

約数ペア:

[(1, 31389358), (2, 15694679), (7, 4484194), (11, 2853578), (13, 2414566), (14, 2242097), (22, 1426789), (26, 1207283), (77, 407654), (91, 344938), (143, 219506), (154, 203827), (182, 172469), (286, 109753), (1001, 31358), (2002, 15679)]