678776980042

素因数分解:

$2^1\times 7^1\times {\mathrm{86501}}^1\times {\mathrm{560503}}^1$

素因数の和:647013

約数の個数: 16

約数和(自身を含む): 1163633208192

約数和(自身を除く): 484856228150

約数列:

[1, 2, 7, 14, 86501, 173002, 560503, 605507, 1121006, 1211014, 3923521, 7847042, 48484070003, 96968140006, 339388490021, 678776980042]

約数ペア:

[(1, 678776980042), (2, 339388490021), (7, 96968140006), (14, 48484070003), (86501, 7847042), (173002, 3923521), (560503, 1211014), (605507, 1121006)]