78231490

素因数分解:

$2^1\times 5^1\times {\mathrm{419}}^1\times {\mathrm{18671}}^1$

素因数の和:19097

約数の個数: 16

約数和(自身を含む): 141160320

約数和(自身を除く): 62928830

約数列:

[1, 2, 5, 10, 419, 838, 2095, 4190, 18671, 37342, 93355, 186710, 7823149, 15646298, 39115745, 78231490]

約数ペア:

[(1, 78231490), (2, 39115745), (5, 15646298), (10, 7823149), (419, 186710), (838, 93355), (2095, 37342), (4190, 18671)]