247171390

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{405199}}^1$

素因数の和:405267

約数の個数: 16

約数和(自身を含む): 452203200

約数和(自身を除く): 205031810

約数列:

[1, 2, 5, 10, 61, 122, 305, 610, 405199, 810398, 2025995, 4051990, 24717139, 49434278, 123585695, 247171390]

約数ペア:

[(1, 247171390), (2, 123585695), (5, 49434278), (10, 24717139), (61, 4051990), (122, 2025995), (305, 810398), (610, 405199)]