28509754

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{383}}^1\times {\mathrm{409}}^1$

素因数の和:814

約数の個数: 32

約数和(自身を含む): 52899840

約数和(自身を除く): 24390086

約数列:

[1, 2, 7, 13, 14, 26, 91, 182, 383, 409, 766, 818, 2681, 2863, 4979, 5317, 5362, 5726, 9958, 10634, 34853, 37219, 69706, 74438, 156647, 313294, 1096529, 2036411, 2193058, 4072822, 14254877, 28509754]

約数ペア:

[(1, 28509754), (2, 14254877), (7, 4072822), (13, 2193058), (14, 2036411), (26, 1096529), (91, 313294), (182, 156647), (383, 74438), (409, 69706), (766, 37219), (818, 34853), (2681, 10634), (2863, 9958), (4979, 5726), (5317, 5362)]