1643642

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{821}}^1$

素因数の和:854

約数の個数: 32

約数和(自身を含む): 3314304

約数和(自身を除く): 1670662

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 77, 91, 143, 154, 182, 286, 821, 1001, 1642, 2002, 5747, 9031, 10673, 11494, 18062, 21346, 63217, 74711, 117403, 126434, 149422, 234806, 821821, 1643642]

約数ペア:

[(1, 1643642), (2, 821821), (7, 234806), (11, 149422), (13, 126434), (14, 117403), (22, 74711), (26, 63217), (77, 21346), (91, 18062), (143, 11494), (154, 10673), (182, 9031), (286, 5747), (821, 2002), (1001, 1642)]