28180516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{77419}}^1$

素因数の和:77443

約数の個数: 24

約数和(自身を含む): 60697280

約数和(自身を除く): 32516764

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 77419, 154838, 309676, 541933, 1006447, 1083866, 2012894, 2167732, 4025788, 7045129, 14090258, 28180516]

約数ペア:

[(1, 28180516), (2, 14090258), (4, 7045129), (7, 4025788), (13, 2167732), (14, 2012894), (26, 1083866), (28, 1006447), (52, 541933), (91, 309676), (182, 154838), (364, 77419)]