253710914

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{257}}^1\times {\mathrm{313}}^1$

素因数の和:674

約数の個数: 32

約数和(自身を含む): 408300480

約数和(自身を除く): 154589566

約数列:

[1, 2, 19, 38, 83, 166, 257, 313, 514, 626, 1577, 3154, 4883, 5947, 9766, 11894, 21331, 25979, 42662, 51958, 80441, 160882, 405289, 493601, 810578, 987202, 1528379, 3056758, 6676603, 13353206, 126855457, 253710914]

約数ペア:

[(1, 253710914), (2, 126855457), (19, 13353206), (38, 6676603), (83, 3056758), (166, 1528379), (257, 987202), (313, 810578), (514, 493601), (626, 405289), (1577, 160882), (3154, 80441), (4883, 51958), (5947, 42662), (9766, 25979), (11894, 21331)]