668070812

素因数分解:

$2^2\times {\mathrm{401}}^1\times {\mathrm{416503}}^1$

素因数の和:416908

約数の個数: 12

約数和(自身を含む): 1172042256

約数和(自身を除く): 503971444

約数列:

[1, 2, 4, 401, 802, 1604, 416503, 833006, 1666012, 167017703, 334035406, 668070812]

約数ペア:

[(1, 668070812), (2, 334035406), (4, 167017703), (401, 1666012), (802, 833006), (1604, 416503)]