128221690

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{674851}}^1$

素因数の和:674877

約数の個数: 16

約数和(自身を含む): 242946720

約数和(自身を除く): 114725030

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 674851, 1349702, 3374255, 6748510, 12822169, 25644338, 64110845, 128221690]

約数ペア:

[(1, 128221690), (2, 64110845), (5, 25644338), (10, 12822169), (19, 6748510), (38, 3374255), (95, 1349702), (190, 674851)]