828789215

素因数分解:

$5^1\times {\mathrm{19}}^2\times {\mathrm{373}}^1\times {\mathrm{1231}}^1$

素因数の和:1647

約数の個数: 24

約数和(自身を含む): 1053315648

約数和(自身を除く): 224526433

約数列:

[1, 5, 19, 95, 361, 373, 1231, 1805, 1865, 6155, 7087, 23389, 35435, 116945, 134653, 444391, 459163, 673265, 2221955, 2295815, 8724097, 43620485, 165757843, 828789215]

約数ペア:

[(1, 828789215), (5, 165757843), (19, 43620485), (95, 8724097), (361, 2295815), (373, 2221955), (1231, 673265), (1805, 459163), (1865, 444391), (6155, 134653), (7087, 116945), (23389, 35435)]