204996688

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{2341}}^1$

素因数の和:2783

約数の個数: 40

約数和(自身を含む): 428932616

約数和(自身を除く): 223935928

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 842, 1684, 2341, 3368, 4682, 5473, 6736, 9364, 10946, 18728, 21892, 30433, 37456, 43784, 60866, 87568, 121732, 243464, 486928, 985561, 1971122, 3942244, 7884488, 12812293, 15768976, 25624586, 51249172, 102498344, 204996688]

約数ペア:

[(1, 204996688), (2, 102498344), (4, 51249172), (8, 25624586), (13, 15768976), (16, 12812293), (26, 7884488), (52, 3942244), (104, 1971122), (208, 985561), (421, 486928), (842, 243464), (1684, 121732), (2341, 87568), (3368, 60866), (4682, 43784), (5473, 37456), (6736, 30433), (9364, 21892), (10946, 18728)]