1221454

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{431}}^1$

素因数の和:555

約数の個数: 16

約数和(自身を含む): 1995840

約数和(自身を除く): 774386

約数列:

[1, 2, 13, 26, 109, 218, 431, 862, 1417, 2834, 5603, 11206, 46979, 93958, 610727, 1221454]

約数ペア:

[(1, 1221454), (2, 610727), (13, 93958), (26, 46979), (109, 11206), (218, 5603), (431, 2834), (862, 1417)]