261648275

素因数分解:

$5^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{2377}}^1$

素因数の和:2448

約数の個数: 48

約数和(自身を含む): 403384896

約数和(自身を除く): 141736621

約数列:

[1, 5, 7, 17, 25, 35, 37, 85, 119, 175, 185, 259, 425, 595, 629, 925, 1295, 2377, 2975, 3145, 4403, 6475, 11885, 15725, 16639, 22015, 40409, 59425, 83195, 87949, 110075, 202045, 282863, 415975, 439745, 615643, 1010225, 1414315, 1495133, 2198725, 3078215, 7071575, 7475665, 10465931, 15391075, 37378325, 52329655, 261648275]

約数ペア:

[(1, 261648275), (5, 52329655), (7, 37378325), (17, 15391075), (25, 10465931), (35, 7475665), (37, 7071575), (85, 3078215), (119, 2198725), (175, 1495133), (185, 1414315), (259, 1010225), (425, 615643), (595, 439745), (629, 415975), (925, 282863), (1295, 202045), (2377, 110075), (2975, 87949), (3145, 83195), (4403, 59425), (6475, 40409), (11885, 22015), (15725, 16639)]