1664756886

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{1993}}^1\times {\mathrm{10709}}^1$

素因数の和:12720

約数の個数: 32

約数和(自身を含む): 3587764320

約数和(自身を除く): 1923007434

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 1993, 3986, 5979, 10709, 11958, 21418, 25909, 32127, 51818, 64254, 77727, 139217, 155454, 278434, 417651, 835302, 21343037, 42686074, 64029111, 128058222, 277459481, 554918962, 832378443, 1664756886]

約数ペア:

[(1, 1664756886), (2, 832378443), (3, 554918962), (6, 277459481), (13, 128058222), (26, 64029111), (39, 42686074), (78, 21343037), (1993, 835302), (3986, 417651), (5979, 278434), (10709, 155454), (11958, 139217), (21418, 77727), (25909, 64254), (32127, 51818)]