253988

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{193}}^1$

素因数の和:251

約数の個数: 24

約数和(自身を含む): 521472

約数和(自身を除く): 267484

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 188, 193, 329, 386, 658, 772, 1316, 1351, 2702, 5404, 9071, 18142, 36284, 63497, 126994, 253988]

約数ペア:

[(1, 253988), (2, 126994), (4, 63497), (7, 36284), (14, 18142), (28, 9071), (47, 5404), (94, 2702), (188, 1351), (193, 1316), (329, 772), (386, 658)]