128357520190

素因数分解:

$2^1\times 5^1\times {\mathrm{1973}}^1\times {\mathrm{6505703}}^1$

素因数の和:6507683

約数の個数: 16

約数和(自身を含む): 231160674528

約数和(自身を除く): 102803154338

約数列:

[1, 2, 5, 10, 1973, 3946, 9865, 19730, 6505703, 13011406, 32528515, 65057030, 12835752019, 25671504038, 64178760095, 128357520190]

約数ペア:

[(1, 128357520190), (2, 64178760095), (5, 25671504038), (10, 12835752019), (1973, 65057030), (3946, 32528515), (9865, 13011406), (19730, 6505703)]