1215403205

素因数分解:

$5^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{110441}}^1$

素因数の和:110548

約数の個数: 16

約数和(自身を含む): 1526750208

約数和(自身を除く): 311347003

約数列:

[1, 5, 31, 71, 155, 355, 2201, 11005, 110441, 552205, 3423671, 7841311, 17118355, 39206555, 243080641, 1215403205]

約数ペア:

[(1, 1215403205), (5, 243080641), (31, 39206555), (71, 17118355), (155, 7841311), (355, 3423671), (2201, 552205), (11005, 110441)]