217612892

素因数分解:

$2^2\times 7^1\times {\mathrm{317}}^1\times {\mathrm{24517}}^1$

素因数の和:24845

約数の個数: 24

約数和(自身を含む): 436616544

約数和(自身を除く): 219003652

約数列:

[1, 2, 4, 7, 14, 28, 317, 634, 1268, 2219, 4438, 8876, 24517, 49034, 98068, 171619, 343238, 686476, 7771889, 15543778, 31087556, 54403223, 108806446, 217612892]

約数ペア:

[(1, 217612892), (2, 108806446), (4, 54403223), (7, 31087556), (14, 15543778), (28, 7771889), (317, 686476), (634, 343238), (1268, 171619), (2219, 98068), (4438, 49034), (8876, 24517)]