1393428436

素因数分解:

$2^2\times {\mathrm{37}}^2\times {\mathrm{254461}}^1$

素因数の和:254539

約数の個数: 18

約数和(自身を含む): 2506196238

約数和(自身を除く): 1112767802

約数列:

[1, 2, 4, 37, 74, 148, 1369, 2738, 5476, 254461, 508922, 1017844, 9415057, 18830114, 37660228, 348357109, 696714218, 1393428436]

約数ペア:

[(1, 1393428436), (2, 696714218), (4, 348357109), (37, 37660228), (74, 18830114), (148, 9415057), (1369, 1017844), (2738, 508922), (5476, 254461)]