28318577

素因数分解:

$7^1\times {\mathrm{41}}^1\times {\mathrm{79}}^1\times {\mathrm{1249}}^1$

素因数の和:1376

約数の個数: 16

約数和(自身を含む): 33600000

約数和(自身を除く): 5281423

約数列:

[1, 7, 41, 79, 287, 553, 1249, 3239, 8743, 22673, 51209, 98671, 358463, 690697, 4045511, 28318577]

約数ペア:

[(1, 28318577), (7, 4045511), (41, 690697), (79, 358463), (287, 98671), (553, 51209), (1249, 22673), (3239, 8743)]