78890006

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{83}}^1\times {\mathrm{139}}^1\times {\mathrm{263}}^1$

素因数の和:500

約数の個数: 32

約数和(自身を含む): 130394880

約数和(自身を除く): 51504874

約数列:

[1, 2, 13, 26, 83, 139, 166, 263, 278, 526, 1079, 1807, 2158, 3419, 3614, 6838, 11537, 21829, 23074, 36557, 43658, 73114, 149981, 283777, 299962, 475241, 567554, 950482, 3034231, 6068462, 39445003, 78890006]

約数ペア:

[(1, 78890006), (2, 39445003), (13, 6068462), (26, 3034231), (83, 950482), (139, 567554), (166, 475241), (263, 299962), (278, 283777), (526, 149981), (1079, 73114), (1807, 43658), (2158, 36557), (3419, 23074), (3614, 21829), (6838, 11537)]