201621668

素因数分解:

$2^2\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{13171}}^1$

素因数の和:13307

約数の個数: 24

約数和(自身を含む): 365127840

約数和(自身を除く): 163506172

約数列:

[1, 2, 4, 43, 86, 89, 172, 178, 356, 3827, 7654, 13171, 15308, 26342, 52684, 566353, 1132706, 1172219, 2265412, 2344438, 4688876, 50405417, 100810834, 201621668]

約数ペア:

[(1, 201621668), (2, 100810834), (4, 50405417), (43, 4688876), (86, 2344438), (89, 2265412), (172, 1172219), (178, 1132706), (356, 566353), (3827, 52684), (7654, 26342), (13171, 15308)]