1640217333881

素因数分解:

$7^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{17542619}}^1$

素因数の和:17542701

約数の個数: 24

約数和(自身を含む): 2031856418880

約数和(自身を除く): 391639084999

約数列:

[1, 7, 19, 37, 133, 259, 361, 703, 2527, 4921, 13357, 93499, 17542619, 122798333, 333309761, 649076903, 2333168327, 4543538321, 6332885459, 12332461157, 44330198213, 86327228099, 234316761983, 1640217333881]

約数ペア:

[(1, 1640217333881), (7, 234316761983), (19, 86327228099), (37, 44330198213), (133, 12332461157), (259, 6332885459), (361, 4543538321), (703, 2333168327), (2527, 649076903), (4921, 333309761), (13357, 122798333), (93499, 17542619)]