256251086

素因数分解:

$2^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{201139}}^1$

素因数の和:201168

約数の個数: 24

約数和(自身を含む): 481529160

約数和(自身を除く): 225278074

約数列:

[1, 2, 7, 13, 14, 26, 49, 91, 98, 182, 637, 1274, 201139, 402278, 1407973, 2614807, 2815946, 5229614, 9855811, 18303649, 19711622, 36607298, 128125543, 256251086]

約数ペア:

[(1, 256251086), (2, 128125543), (7, 36607298), (13, 19711622), (14, 18303649), (26, 9855811), (49, 5229614), (91, 2815946), (98, 2614807), (182, 1407973), (637, 402278), (1274, 201139)]