28403908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{12703}}^1$

素因数の和:12763

約数の個数: 24

約数和(自身を含む): 54779648

約数和(自身を除く): 26375740

約数列:

[1, 2, 4, 13, 26, 43, 52, 86, 172, 559, 1118, 2236, 12703, 25406, 50812, 165139, 330278, 546229, 660556, 1092458, 2184916, 7100977, 14201954, 28403908]

約数ペア:

[(1, 28403908), (2, 14201954), (4, 7100977), (13, 2184916), (26, 1092458), (43, 660556), (52, 546229), (86, 330278), (172, 165139), (559, 50812), (1118, 25406), (2236, 12703)]