16660826

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{2953}}^1$

素因数の和:3006

約数の個数: 32

約数和(自身を含む): 31761408

約数和(自身を除く): 15100582

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 2953, 5642, 5906, 20671, 38389, 41342, 76778, 91543, 183086, 268723, 537446, 640801, 1190059, 1281602, 2380118, 8330413, 16660826]

約数ペア:

[(1, 16660826), (2, 8330413), (7, 2380118), (13, 1281602), (14, 1190059), (26, 640801), (31, 537446), (62, 268723), (91, 183086), (182, 91543), (217, 76778), (403, 41342), (434, 38389), (806, 20671), (2821, 5906), (2953, 5642)]