28237715

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{743}}^1$

素因数の和:1450

約数の個数: 16

約数和(自身を含む): 37069056

約数和(自身を除く): 8831341

約数列:

[1, 5, 11, 55, 691, 743, 3455, 3715, 7601, 8173, 38005, 40865, 513413, 2567065, 5647543, 28237715]

約数ペア:

[(1, 28237715), (5, 5647543), (11, 2567065), (55, 513413), (691, 40865), (743, 38005), (3455, 8173), (3715, 7601)]