128839190

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{678101}}^1$

素因数の和:678127

約数の個数: 16

約数和(自身を含む): 244116720

約数和(自身を除く): 115277530

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 678101, 1356202, 3390505, 6781010, 12883919, 25767838, 64419595, 128839190]

約数ペア:

[(1, 128839190), (2, 64419595), (5, 25767838), (10, 12883919), (19, 6781010), (38, 3390505), (95, 1356202), (190, 678101)]