78624378

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{208001}}^1$

素因数の和:208019

約数の個数: 32

約数和(自身を含む): 199681920

約数和(自身を除く): 121057542

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 126, 189, 378, 208001, 416002, 624003, 1248006, 1456007, 1872009, 2912014, 3744018, 4368021, 5616027, 8736042, 11232054, 13104063, 26208126, 39312189, 78624378]

約数ペア:

[(1, 78624378), (2, 39312189), (3, 26208126), (6, 13104063), (7, 11232054), (9, 8736042), (14, 5616027), (18, 4368021), (21, 3744018), (27, 2912014), (42, 1872009), (54, 1456007), (63, 1248006), (126, 624003), (189, 416002), (378, 208001)]