28493311

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{509}}^1\times {\mathrm{727}}^1$

素因数の和:1254

約数の個数: 16

約数和(自身を含む): 35642880

約数和(自身を除く): 7149569

約数列:

[1, 7, 11, 77, 509, 727, 3563, 5089, 5599, 7997, 39193, 55979, 370043, 2590301, 4070473, 28493311]

約数ペア:

[(1, 28493311), (7, 4070473), (11, 2590301), (77, 370043), (509, 55979), (727, 39193), (3563, 7997), (5089, 5599)]