128772252

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511001}}^1$

素因数の和:511018

約数の個数: 36

約数和(自身を含む): 372009456

約数和(自身を除く): 243237204

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511001, 1022002, 1533003, 2044004, 3066006, 3577007, 4599009, 6132012, 7154014, 9198018, 10731021, 14308028, 18396036, 21462042, 32193063, 42924084, 64386126, 128772252]

約数ペア:

[(1, 128772252), (2, 64386126), (3, 42924084), (4, 32193063), (6, 21462042), (7, 18396036), (9, 14308028), (12, 10731021), (14, 9198018), (18, 7154014), (21, 6132012), (28, 4599009), (36, 3577007), (42, 3066006), (63, 2044004), (84, 1533003), (126, 1022002), (252, 511001)]