28426784

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{283}}^1$

素因数の和:409

約数の個数: 48

約数和(自身を含む): 58256352

約数和(自身を除く): 29829568

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 283, 292, 344, 566, 584, 688, 1132, 1168, 1376, 2264, 2336, 3139, 4528, 6278, 9056, 12169, 12556, 20659, 24338, 25112, 41318, 48676, 50224, 82636, 97352, 100448, 165272, 194704, 330544, 389408, 661088, 888337, 1776674, 3553348, 7106696, 14213392, 28426784]

約数ペア:

[(1, 28426784), (2, 14213392), (4, 7106696), (8, 3553348), (16, 1776674), (32, 888337), (43, 661088), (73, 389408), (86, 330544), (146, 194704), (172, 165272), (283, 100448), (292, 97352), (344, 82636), (566, 50224), (584, 48676), (688, 41318), (1132, 25112), (1168, 24338), (1376, 20659), (2264, 12556), (2336, 12169), (3139, 9056), (4528, 6278)]