189945721

素因数分解:

$7^1\times {\mathrm{59}}^1\times {\mathrm{619}}^1\times {\mathrm{743}}^1$

素因数の和:1428

約数の個数: 16

約数和(自身を含む): 221414400

約数和(自身を除く): 31468679

約数列:

[1, 7, 59, 413, 619, 743, 4333, 5201, 36521, 43837, 255647, 306859, 459917, 3219419, 27135103, 189945721]

約数ペア:

[(1, 189945721), (7, 27135103), (59, 3219419), (413, 459917), (619, 306859), (743, 255647), (4333, 43837), (5201, 36521)]