1621156

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1$

素因数の和:363

約数の個数: 24

約数和(自身を含む): 3034080

約数和(自身を除く): 1412924

約数列:

[1, 2, 4, 19, 38, 76, 83, 166, 257, 332, 514, 1028, 1577, 3154, 4883, 6308, 9766, 19532, 21331, 42662, 85324, 405289, 810578, 1621156]

約数ペア:

[(1, 1621156), (2, 810578), (4, 405289), (19, 85324), (38, 42662), (76, 21331), (83, 19532), (166, 9766), (257, 6308), (332, 4883), (514, 3154), (1028, 1577)]