261299519

素因数分解:

${\mathrm{13}}^2\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{877}}^1$

素因数の和:987

約数の個数: 24

約数和(自身を含む): 296925552

約数和(自身を除く): 35626033

約数列:

[1, 13, 41, 43, 169, 533, 559, 877, 1763, 6929, 7267, 11401, 22919, 35957, 37711, 148213, 297947, 467441, 490243, 1546151, 6076733, 6373159, 20099963, 261299519]

約数ペア:

[(1, 261299519), (13, 20099963), (41, 6373159), (43, 6076733), (169, 1546151), (533, 490243), (559, 467441), (877, 297947), (1763, 148213), (6929, 37711), (7267, 35957), (11401, 22919)]