640524386

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{463}}^1\times {\mathrm{16871}}^1$

素因数の和:17377

約数の個数: 16

約数和(自身を含む): 986404608

約数和(自身を除く): 345880222

約数列:

[1, 2, 41, 82, 463, 926, 16871, 18983, 33742, 37966, 691711, 1383422, 7811273, 15622546, 320262193, 640524386]

約数ペア:

[(1, 640524386), (2, 320262193), (41, 15622546), (82, 7811273), (463, 1383422), (926, 691711), (16871, 37966), (18983, 33742)]