261694506

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{181}}^1\times {\mathrm{10477}}^1$

素因数の和:10686

約数の個数: 32

約数和(自身を含む): 549214848

約数和(自身を除く): 287520342

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 181, 362, 543, 1086, 4163, 8326, 10477, 12489, 20954, 24978, 31431, 62862, 240971, 481942, 722913, 1445826, 1896337, 3792674, 5689011, 11378022, 43615751, 87231502, 130847253, 261694506]

約数ペア:

[(1, 261694506), (2, 130847253), (3, 87231502), (6, 43615751), (23, 11378022), (46, 5689011), (69, 3792674), (138, 1896337), (181, 1445826), (362, 722913), (543, 481942), (1086, 240971), (4163, 62862), (8326, 31431), (10477, 24978), (12489, 20954)]