666791996

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{2383}}^1\times {\mathrm{5381}}^1$

素因数の和:7781

約数の個数: 24

約数和(自身を含む): 1257407424

約数和(自身を除く): 590615428

約数列:

[1, 2, 4, 13, 26, 52, 2383, 4766, 5381, 9532, 10762, 21524, 30979, 61958, 69953, 123916, 139906, 279812, 12822923, 25645846, 51291692, 166697999, 333395998, 666791996]

約数ペア:

[(1, 666791996), (2, 333395998), (4, 166697999), (13, 51291692), (26, 25645846), (52, 12822923), (2383, 279812), (4766, 139906), (5381, 123916), (9532, 69953), (10762, 61958), (21524, 30979)]