77439790

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{87011}}^1$

素因数の和:87107

約数の個数: 16

約数和(自身を含む): 140959440

約数和(自身を除く): 63519650

約数列:

[1, 2, 5, 10, 89, 178, 445, 890, 87011, 174022, 435055, 870110, 7743979, 15487958, 38719895, 77439790]

約数ペア:

[(1, 77439790), (2, 38719895), (5, 15487958), (10, 7743979), (89, 870110), (178, 435055), (445, 174022), (890, 87011)]