12938345

素因数分解:

$5^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{97}}^1\times {\mathrm{103}}^1$

素因数の和:249

約数の個数: 32

約数和(自身を含む): 18590208

約数和(自身を除く): 5651863

約数列:

[1, 5, 7, 35, 37, 97, 103, 185, 259, 485, 515, 679, 721, 1295, 3395, 3589, 3605, 3811, 9991, 17945, 19055, 25123, 26677, 49955, 69937, 125615, 133385, 349685, 369667, 1848335, 2587669, 12938345]

約数ペア:

[(1, 12938345), (5, 2587669), (7, 1848335), (35, 369667), (37, 349685), (97, 133385), (103, 125615), (185, 69937), (259, 49955), (485, 26677), (515, 25123), (679, 19055), (721, 17945), (1295, 9991), (3395, 3811), (3589, 3605)]