202159568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{971921}}^1$

素因数の和:971942

約数の個数: 20

約数和(自身を含む): 421814148

約数和(自身を除く): 219654580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 971921, 1943842, 3887684, 7775368, 12634973, 15550736, 25269946, 50539892, 101079784, 202159568]

約数ペア:

[(1, 202159568), (2, 101079784), (4, 50539892), (8, 25269946), (13, 15550736), (16, 12634973), (26, 7775368), (52, 3887684), (104, 1943842), (208, 971921)]