28345730

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{557}}^1\times {\mathrm{727}}^1$

素因数の和:1298

約数の個数: 32

約数和(自身を含む): 58496256

約数和(自身を除く): 30150526

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 557, 727, 1114, 1454, 2785, 3635, 3899, 5089, 5570, 7270, 7798, 10178, 19495, 25445, 38990, 50890, 404939, 809878, 2024695, 2834573, 4049390, 5669146, 14172865, 28345730]

約数ペア:

[(1, 28345730), (2, 14172865), (5, 5669146), (7, 4049390), (10, 2834573), (14, 2024695), (35, 809878), (70, 404939), (557, 50890), (727, 38990), (1114, 25445), (1454, 19495), (2785, 10178), (3635, 7798), (3899, 7270), (5089, 5570)]