28005136

素因数分解:

$2^4\times {\mathrm{73}}^1\times {\mathrm{23977}}^1$

素因数の和:24058

約数の個数: 20

約数和(自身を含む): 55005532

約数和(自身を除く): 27000396

約数列:

[1, 2, 4, 8, 16, 73, 146, 292, 584, 1168, 23977, 47954, 95908, 191816, 383632, 1750321, 3500642, 7001284, 14002568, 28005136]

約数ペア:

[(1, 28005136), (2, 14002568), (4, 7001284), (8, 3500642), (16, 1750321), (73, 383632), (146, 191816), (292, 95908), (584, 47954), (1168, 23977)]