90468385

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{419}}^1$

素因数の和:661

約数の個数: 32

約数和(自身を含む): 129024000

約数和(自身を除く): 38555615

約数列:

[1, 5, 7, 31, 35, 155, 199, 217, 419, 995, 1085, 1393, 2095, 2933, 6169, 6965, 12989, 14665, 30845, 43183, 64945, 83381, 90923, 215915, 416905, 454615, 583667, 2584811, 2918335, 12924055, 18093677, 90468385]

約数ペア:

[(1, 90468385), (5, 18093677), (7, 12924055), (31, 2918335), (35, 2584811), (155, 583667), (199, 454615), (217, 416905), (419, 215915), (995, 90923), (1085, 83381), (1393, 64945), (2095, 43183), (2933, 30845), (6169, 14665), (6965, 12989)]