81401042

素因数分解:

$2^1\times {\mathrm{97}}^1\times {\mathrm{131}}^1\times {\mathrm{3203}}^1$

素因数の和:3433

約数の個数: 16

約数和(自身を含む): 124340832

約数和(自身を除く): 42939790

約数列:

[1, 2, 97, 131, 194, 262, 3203, 6406, 12707, 25414, 310691, 419593, 621382, 839186, 40700521, 81401042]

約数ペア:

[(1, 81401042), (2, 40700521), (97, 839186), (131, 621382), (194, 419593), (262, 310691), (3203, 25414), (6406, 12707)]