201639568

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{969421}}^1$

素因数の和:969442

約数の個数: 20

約数和(自身を含む): 420729148

約数和(自身を除く): 219089580

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 969421, 1938842, 3877684, 7755368, 12602473, 15510736, 25204946, 50409892, 100819784, 201639568]

約数ペア:

[(1, 201639568), (2, 100819784), (4, 50409892), (8, 25204946), (13, 15510736), (16, 12602473), (26, 7755368), (52, 3877684), (104, 1938842), (208, 969421)]