28873790

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{262489}}^1$

素因数の和:262507

約数の個数: 16

約数和(自身を含む): 56697840

約数和(自身を除く): 27824050

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 262489, 524978, 1312445, 2624890, 2887379, 5774758, 14436895, 28873790]

約数ペア:

[(1, 28873790), (2, 14436895), (5, 5774758), (10, 2887379), (11, 2624890), (22, 1312445), (55, 524978), (110, 262489)]