1278016874

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{139}}^1\times {\mathrm{1847}}^1$

素因数の和:2138

約数の個数: 32

約数和(自身を含む): 2049062400

約数和(自身を除く): 771045526

約数列:

[1, 2, 19, 38, 131, 139, 262, 278, 1847, 2489, 2641, 3694, 4978, 5282, 18209, 35093, 36418, 70186, 241957, 256733, 345971, 483914, 513466, 691942, 4597183, 4877927, 9194366, 9755854, 33632023, 67264046, 639008437, 1278016874]

約数ペア:

[(1, 1278016874), (2, 639008437), (19, 67264046), (38, 33632023), (131, 9755854), (139, 9194366), (262, 4877927), (278, 4597183), (1847, 691942), (2489, 513466), (2641, 483914), (3694, 345971), (4978, 256733), (5282, 241957), (18209, 70186), (35093, 36418)]