6440439.00000000

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{309899}}^1$

素因数の和:309926

約数の個数: 20

約数和(自身を含む): 192138000

約数和(自身を除く): 97928704

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 309899, 619798, 1239596, 2479192, 4958384, 5888081, 11776162, 23552324, 47104648, 94209296]

約数ペア:

[(1, 94209296), (2, 47104648), (4, 23552324), (8, 11776162), (16, 5888081), (19, 4958384), (38, 2479192), (76, 1239596), (152, 619798), (304, 309899)]