1278336670

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{9833359}}^1$

素因数の和:9833379

約数の個数: 16

約数和(自身を含む): 2478006720

約数和(自身を除く): 1199670050

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 9833359, 19666718, 49166795, 98333590, 127833667, 255667334, 639168335, 1278336670]

約数ペア:

[(1, 1278336670), (2, 639168335), (5, 255667334), (10, 127833667), (13, 98333590), (26, 49166795), (65, 19666718), (130, 9833359)]