201718868

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{16231}}^1$

素因数の和:16487

約数の個数: 24

約数和(自身を含む): 381776640

約数和(自身を除く): 180057772

約数列:

[1, 2, 4, 13, 26, 52, 239, 478, 956, 3107, 6214, 12428, 16231, 32462, 64924, 211003, 422006, 844012, 3879209, 7758418, 15516836, 50429717, 100859434, 201718868]

約数ペア:

[(1, 201718868), (2, 100859434), (4, 50429717), (13, 15516836), (26, 7758418), (52, 3879209), (239, 844012), (478, 422006), (956, 211003), (3107, 64924), (6214, 32462), (12428, 16231)]