1908916681

素因数分解:

$7^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1\times {\mathrm{443}}^1$

素因数の和:829

約数の個数: 32

約数和(自身を含む): 2327270400

約数和(自身を除く): 418353719

約数列:

[1, 7, 19, 133, 179, 181, 443, 1253, 1267, 3101, 3401, 3439, 8417, 23807, 24073, 32399, 58919, 79297, 80183, 226793, 555079, 561281, 615581, 1506643, 1523477, 4309067, 10546501, 10664339, 14352757, 100469299, 272702383, 1908916681]

約数ペア:

[(1, 1908916681), (7, 272702383), (19, 100469299), (133, 14352757), (179, 10664339), (181, 10546501), (443, 4309067), (1253, 1523477), (1267, 1506643), (3101, 615581), (3401, 561281), (3439, 555079), (8417, 226793), (23807, 80183), (24073, 79297), (32399, 58919)]