128440518

素因数分解:

$2^1\times 3^1\times {\mathrm{53}}^1\times {\mathrm{403901}}^1$

素因数の和:403959

約数の個数: 16

約数和(自身を含む): 261728496

約数和(自身を除く): 133287978

約数列:

[1, 2, 3, 6, 53, 106, 159, 318, 403901, 807802, 1211703, 2423406, 21406753, 42813506, 64220259, 128440518]

約数ペア:

[(1, 128440518), (2, 64220259), (3, 42813506), (6, 21406753), (53, 2423406), (106, 1211703), (159, 807802), (318, 403901)]