2449993

素因数分解:

$7^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{109}}^1$

素因数の和:161

約数の個数: 24

約数和(自身を含む): 3220800

約数和(自身を除く): 770807

約数列:

[1, 7, 13, 19, 91, 109, 133, 169, 247, 763, 1183, 1417, 1729, 2071, 3211, 9919, 14497, 18421, 22477, 26923, 128947, 188461, 349999, 2449993]

約数ペア:

[(1, 2449993), (7, 349999), (13, 188461), (19, 128947), (91, 26923), (109, 22477), (133, 18421), (169, 14497), (247, 9919), (763, 3211), (1183, 2071), (1417, 1729)]