13778705

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{3373}}^1$

素因数の和:3440

約数の個数: 16

約数和(自身を含む): 17814720

約数和(自身を除く): 4036015

約数列:

[1, 5, 19, 43, 95, 215, 817, 3373, 4085, 16865, 64087, 145039, 320435, 725195, 2755741, 13778705]

約数ペア:

[(1, 13778705), (5, 2755741), (19, 725195), (43, 320435), (95, 145039), (215, 64087), (817, 16865), (3373, 4085)]