145864238

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{13921}}^1$

素因数の和:13980

約数の個数: 24

約数和(自身を含む): 244581696

約数和(自身を除く): 98717458

約数列:

[1, 2, 13, 26, 31, 62, 169, 338, 403, 806, 5239, 10478, 13921, 27842, 180973, 361946, 431551, 863102, 2352649, 4705298, 5610163, 11220326, 72932119, 145864238]

約数ペア:

[(1, 145864238), (2, 72932119), (13, 11220326), (26, 5610163), (31, 4705298), (62, 2352649), (169, 863102), (338, 431551), (403, 361946), (806, 180973), (5239, 27842), (10478, 13921)]