127442978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{149}}^1\times {\mathrm{491}}^1$

素因数の和:722

約数の個数: 32

約数和(自身を含む): 210772800

約数和(自身を除く): 83329822

約数列:

[1, 2, 13, 26, 67, 134, 149, 298, 491, 871, 982, 1742, 1937, 3874, 6383, 9983, 12766, 19966, 32897, 65794, 73159, 129779, 146318, 259558, 427661, 855322, 951067, 1902134, 4901653, 9803306, 63721489, 127442978]

約数ペア:

[(1, 127442978), (2, 63721489), (13, 9803306), (26, 4901653), (67, 1902134), (134, 951067), (149, 855322), (298, 427661), (491, 259558), (871, 146318), (982, 129779), (1742, 73159), (1937, 65794), (3874, 32897), (6383, 19966), (9983, 12766)]