81386672

素因数分解:

$2^4\times {\mathrm{1913}}^1\times {\mathrm{2659}}^1$

素因数の和:4580

約数の個数: 20

約数和(自身を含む): 157828440

約数和(自身を除く): 76441768

約数列:

[1, 2, 4, 8, 16, 1913, 2659, 3826, 5318, 7652, 10636, 15304, 21272, 30608, 42544, 5086667, 10173334, 20346668, 40693336, 81386672]

約数ペア:

[(1, 81386672), (2, 40693336), (4, 20346668), (8, 10173334), (16, 5086667), (1913, 42544), (2659, 30608), (3826, 21272), (5318, 15304), (7652, 10636)]