205122202064

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{986164433}}^1$

素因数の和:986164454

約数の個数: 20

約数和(自身を含む): 427995364356

約数和(自身を除く): 222873162292

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 986164433, 1972328866, 3944657732, 7889315464, 12820137629, 15778630928, 25640275258, 51280550516, 102561101032, 205122202064]

約数ペア:

[(1, 205122202064), (2, 102561101032), (4, 51280550516), (8, 25640275258), (13, 15778630928), (16, 12820137629), (26, 7889315464), (52, 3944657732), (104, 1972328866), (208, 986164433)]