78893890

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{415231}}^1$

素因数の和:415257

約数の個数: 16

約数和(自身を含む): 149483520

約数和(自身を除く): 70589630

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 415231, 830462, 2076155, 4152310, 7889389, 15778778, 39446945, 78893890]

約数ペア:

[(1, 78893890), (2, 39446945), (5, 15778778), (10, 7889389), (19, 4152310), (38, 2076155), (95, 830462), (190, 415231)]