28867228

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{42703}}^1$

素因数の和:42733

約数の個数: 18

約数和(自身を含む): 54703824

約数和(自身を除く): 25836596

約数列:

[1, 2, 4, 13, 26, 52, 169, 338, 676, 42703, 85406, 170812, 555139, 1110278, 2220556, 7216807, 14433614, 28867228]

約数ペア:

[(1, 28867228), (2, 14433614), (4, 7216807), (13, 2220556), (26, 1110278), (52, 555139), (169, 170812), (338, 85406), (676, 42703)]