78970412

素因数分解:

$2^2\times {\mathrm{89}}^1\times {\mathrm{221827}}^1$

素因数の和:221920

約数の個数: 12

約数和(自身を含む): 139751640

約数和(自身を除く): 60781228

約数列:

[1, 2, 4, 89, 178, 356, 221827, 443654, 887308, 19742603, 39485206, 78970412]

約数ペア:

[(1, 78970412), (2, 39485206), (4, 19742603), (89, 887308), (178, 443654), (356, 221827)]