489136

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{1609}}^1$

素因数の和:1636

約数の個数: 20

約数和(自身を含む): 998200

約数和(自身を除く): 509064

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 1609, 3218, 6436, 12872, 25744, 30571, 61142, 122284, 244568, 489136]

約数ペア:

[(1, 489136), (2, 244568), (4, 122284), (8, 61142), (16, 30571), (19, 25744), (38, 12872), (76, 6436), (152, 3218), (304, 1609)]