257750542

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{571}}^1\times {\mathrm{1697}}^1$

素因数の和:2296

約数の個数: 32

約数和(自身を含む): 466202880

約数和(自身を除く): 208452338

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 571, 1142, 1697, 3394, 3997, 7994, 10849, 11879, 21698, 23758, 32243, 64486, 75943, 151886, 225701, 451402, 968987, 1937974, 6782909, 13565818, 18410753, 36821506, 128875271, 257750542]

約数ペア:

[(1, 257750542), (2, 128875271), (7, 36821506), (14, 18410753), (19, 13565818), (38, 6782909), (133, 1937974), (266, 968987), (571, 451402), (1142, 225701), (1697, 151886), (3394, 75943), (3997, 64486), (7994, 32243), (10849, 23758), (11879, 21698)]