7142993

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 24

約数和(自身を含む): 8937600

約数和(自身を除く): 1794607

約数列:

[1, 11, 13, 19, 121, 143, 209, 239, 247, 1573, 2299, 2629, 2717, 3107, 4541, 28919, 29887, 34177, 49951, 59033, 375947, 549461, 649363, 7142993]

約数ペア:

[(1, 7142993), (11, 649363), (13, 549461), (19, 375947), (121, 59033), (143, 49951), (209, 34177), (239, 29887), (247, 28919), (1573, 4541), (2299, 3107), (2629, 2717)]