4420156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{509}}^1$

素因数の和:693

約数の個数: 24

約数和(自身を含む): 8396640

約数和(自身を除く): 3976484

約数列:

[1, 2, 4, 13, 26, 52, 167, 334, 509, 668, 1018, 2036, 2171, 4342, 6617, 8684, 13234, 26468, 85003, 170006, 340012, 1105039, 2210078, 4420156]

約数ペア:

[(1, 4420156), (2, 2210078), (4, 1105039), (13, 340012), (26, 170006), (52, 85003), (167, 26468), (334, 13234), (509, 8684), (668, 6617), (1018, 4342), (2036, 2171)]