7213745

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{457}}^1$

素因数の和:521

約数の個数: 32

約数和(自身を含む): 11079936

約数和(自身を除く): 3866191

約数列:

[1, 5, 7, 11, 35, 41, 55, 77, 205, 287, 385, 451, 457, 1435, 2255, 2285, 3157, 3199, 5027, 15785, 15995, 18737, 25135, 35189, 93685, 131159, 175945, 206107, 655795, 1030535, 1442749, 7213745]

約数ペア:

[(1, 7213745), (5, 1442749), (7, 1030535), (11, 655795), (35, 206107), (41, 175945), (55, 131159), (77, 93685), (205, 35189), (287, 25135), (385, 18737), (451, 15995), (457, 15785), (1435, 5027), (2255, 3199), (2285, 3157)]