81990470

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{154699}}^1$

素因数の和:154759

約数の個数: 16

約数和(自身を含む): 150368400

約数和(自身を除く): 68377930

約数列:

[1, 2, 5, 10, 53, 106, 265, 530, 154699, 309398, 773495, 1546990, 8199047, 16398094, 40995235, 81990470]

約数ペア:

[(1, 81990470), (2, 40995235), (5, 16398094), (10, 8199047), (53, 1546990), (106, 773495), (265, 309398), (530, 154699)]