219319705

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{65371}}^1$

素因数の和:65448

約数の個数: 16

約数和(自身を含む): 291820608

約数和(自身を除く): 72500903

約数列:

[1, 5, 11, 55, 61, 305, 671, 3355, 65371, 326855, 719081, 3595405, 3987631, 19938155, 43863941, 219319705]

約数ペア:

[(1, 219319705), (5, 43863941), (11, 19938155), (55, 3987631), (61, 3595405), (305, 719081), (671, 326855), (3355, 65371)]