2157259

素因数分解:

${\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53}}^1\times {\mathrm{101}}^1$

素因数の和:198

約数の個数: 16

約数和(自身を含む): 2467584

約数和(自身を除く): 310325

約数列:

[1, 13, 31, 53, 101, 403, 689, 1313, 1643, 3131, 5353, 21359, 40703, 69589, 165943, 2157259]

約数ペア:

[(1, 2157259), (13, 165943), (31, 69589), (53, 40703), (101, 21359), (403, 5353), (689, 3131), (1313, 1643)]