12519815

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{1049}}^1$

素因数の和:1103

約数の個数: 32

約数和(自身を含む): 19353600

約数和(自身を除く): 6833785

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1049, 1085, 1705, 2387, 5245, 7343, 11539, 11935, 32519, 36715, 57695, 80773, 162595, 227633, 357709, 403865, 1138165, 1788545, 2503963, 12519815]

約数ペア:

[(1, 12519815), (5, 2503963), (7, 1788545), (11, 1138165), (31, 403865), (35, 357709), (55, 227633), (77, 162595), (155, 80773), (217, 57695), (341, 36715), (385, 32519), (1049, 11935), (1085, 11539), (1705, 7343), (2387, 5245)]