28216447

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{3539}}^1$

素因数の和:3630

約数の個数: 16

約数和(自身を含む): 34663680

約数和(自身を除く): 6447233

約数列:

[1, 7, 17, 67, 119, 469, 1139, 3539, 7973, 24773, 60163, 237113, 421141, 1659791, 4030921, 28216447]

約数ペア:

[(1, 28216447), (7, 4030921), (17, 1659791), (67, 421141), (119, 237113), (469, 60163), (1139, 24773), (3539, 7973)]