28978235

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{40529}}^1$

素因数の和:40558

約数の個数: 16

約数和(自身を含む): 40854240

約数和(自身を除く): 11876005

約数列:

[1, 5, 11, 13, 55, 65, 143, 715, 40529, 202645, 445819, 526877, 2229095, 2634385, 5795647, 28978235]

約数ペア:

[(1, 28978235), (5, 5795647), (11, 2634385), (13, 2229095), (55, 526877), (65, 445819), (143, 202645), (715, 40529)]