668168

素因数分解:

$2^3\times {\mathrm{17}}^4$

素因数の和:74

約数の個数: 20

約数和(自身を含む): 1331115

約数和(自身を除く): 662947

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 289, 578, 1156, 2312, 4913, 9826, 19652, 39304, 83521, 167042, 334084, 668168]

約数ペア:

[(1, 668168), (2, 334084), (4, 167042), (8, 83521), (17, 39304), (34, 19652), (68, 9826), (136, 4913), (289, 2312), (578, 1156)]