78439894

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{56923}}^1$

素因数の和:56991

約数の個数: 16

約数和(自身を含む): 129103632

約数和(自身を除く): 50663738

約数列:

[1, 2, 13, 26, 53, 106, 689, 1378, 56923, 113846, 739999, 1479998, 3016919, 6033838, 39219947, 78439894]

約数ペア:

[(1, 78439894), (2, 39219947), (13, 6033838), (26, 3016919), (53, 1479998), (106, 739999), (689, 113846), (1378, 56923)]