664963342

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{257}}^1\times {\mathrm{19309}}^1$

素因数の和:19635

約数の個数: 16

約数和(自身を含む): 1016323920

約数和(自身を除く): 351360578

約数列:

[1, 2, 67, 134, 257, 514, 17219, 19309, 34438, 38618, 1293703, 2587406, 4962413, 9924826, 332481671, 664963342]

約数ペア:

[(1, 664963342), (2, 332481671), (67, 9924826), (134, 4962413), (257, 2587406), (514, 1293703), (17219, 38618), (19309, 34438)]