1640886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:320

約数の個数: 32

約数和(自身を含む): 3585120

約数和(自身を除く): 1944234

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 109, 193, 218, 327, 386, 579, 654, 1158, 1417, 2509, 2834, 4251, 5018, 7527, 8502, 15054, 21037, 42074, 63111, 126222, 273481, 546962, 820443, 1640886]

約数ペア:

[(1, 1640886), (2, 820443), (3, 546962), (6, 273481), (13, 126222), (26, 63111), (39, 42074), (78, 21037), (109, 15054), (193, 8502), (218, 7527), (327, 5018), (386, 4251), (579, 2834), (654, 2509), (1158, 1417)]