813104

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{571}}^1$

素因数の和:668

約数の個数: 20

約数和(自身を含む): 1595880

約数和(自身を除く): 782776

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 571, 712, 1142, 1424, 2284, 4568, 9136, 50819, 101638, 203276, 406552, 813104]

約数ペア:

[(1, 813104), (2, 406552), (4, 203276), (8, 101638), (16, 50819), (89, 9136), (178, 4568), (356, 2284), (571, 1424), (712, 1142)]