131245616

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{431729}}^1$

素因数の和:431756

約数の個数: 20

約数和(自身を含む): 267672600

約数和(自身を除く): 136426984

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 304, 431729, 863458, 1726916, 3453832, 6907664, 8202851, 16405702, 32811404, 65622808, 131245616]

約数ペア:

[(1, 131245616), (2, 65622808), (4, 32811404), (8, 16405702), (16, 8202851), (19, 6907664), (38, 3453832), (76, 1726916), (152, 863458), (304, 431729)]