28004558

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{523}}^1\times {\mathrm{653}}^1$

素因数の和:1219

約数の個数: 16

約数和(自身を含む): 43179696

約数和(自身を除く): 15175138

約数列:

[1, 2, 41, 82, 523, 653, 1046, 1306, 21443, 26773, 42886, 53546, 341519, 683038, 14002279, 28004558]

約数ペア:

[(1, 28004558), (2, 14002279), (41, 683038), (82, 341519), (523, 53546), (653, 42886), (1046, 26773), (1306, 21443)]