820008

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{1627}}^1$

素因数の和:1646

約数の個数: 48

約数和(自身を含む): 2539680

約数和(自身を除く): 1719672

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 1627, 3254, 4881, 6508, 9762, 11389, 13016, 14643, 19524, 22778, 29286, 34167, 39048, 45556, 58572, 68334, 91112, 102501, 117144, 136668, 205002, 273336, 410004, 820008]

約数ペア:

[(1, 820008), (2, 410004), (3, 273336), (4, 205002), (6, 136668), (7, 117144), (8, 102501), (9, 91112), (12, 68334), (14, 58572), (18, 45556), (21, 39048), (24, 34167), (28, 29286), (36, 22778), (42, 19524), (56, 14643), (63, 13016), (72, 11389), (84, 9762), (126, 6508), (168, 4881), (252, 3254), (504, 1627)]