31918372

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{257}}^1\times {\mathrm{509}}^1$

素因数の和:831

約数の個数: 24

約数和(自身を含む): 57105720

約数和(自身を除く): 25187348

約数列:

[1, 2, 4, 61, 122, 244, 257, 509, 514, 1018, 1028, 2036, 15677, 31049, 31354, 62098, 62708, 124196, 130813, 261626, 523252, 7979593, 15959186, 31918372]

約数ペア:

[(1, 31918372), (2, 15959186), (4, 7979593), (61, 523252), (122, 261626), (244, 130813), (257, 124196), (509, 62708), (514, 62098), (1018, 31354), (1028, 31049), (2036, 15677)]