222719978

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{61627}}^1$

素因数の和:61781

約数の個数: 16

約数和(自身を含む): 362372640

約数和(自身を除く): 139652662

約数列:

[1, 2, 13, 26, 139, 278, 1807, 3614, 61627, 123254, 801151, 1602302, 8566153, 17132306, 111359989, 222719978]

約数ペア:

[(1, 222719978), (2, 111359989), (13, 17132306), (26, 8566153), (139, 1602302), (278, 801151), (1807, 123254), (3614, 61627)]