5213845

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1637}}^1$

素因数の和:1669

約数の個数: 24

約数和(自身を含む): 7842744

約数和(自身を除く): 2628899

約数列:

[1, 5, 7, 13, 35, 49, 65, 91, 245, 455, 637, 1637, 3185, 8185, 11459, 21281, 57295, 80213, 106405, 148967, 401065, 744835, 1042769, 5213845]

約数ペア:

[(1, 5213845), (5, 1042769), (7, 744835), (13, 401065), (35, 148967), (49, 106405), (65, 80213), (91, 57295), (245, 21281), (455, 11459), (637, 8185), (1637, 3185)]