256473454

素因数分解:

$2^1\times {\mathrm{47}}^1\times {\mathrm{67}}^1\times {\mathrm{193}}^1\times {\mathrm{211}}^1$

素因数の和:520

約数の個数: 32

約数和(自身を含む): 402725376

約数和(自身を除く): 146251922

約数列:

[1, 2, 47, 67, 94, 134, 193, 211, 386, 422, 3149, 6298, 9071, 9917, 12931, 14137, 18142, 19834, 25862, 28274, 40723, 81446, 607757, 664439, 1215514, 1328878, 1913981, 2728441, 3827962, 5456882, 128236727, 256473454]

約数ペア:

[(1, 256473454), (2, 128236727), (47, 5456882), (67, 3827962), (94, 2728441), (134, 1913981), (193, 1328878), (211, 1215514), (386, 664439), (422, 607757), (3149, 81446), (6298, 40723), (9071, 28274), (9917, 25862), (12931, 19834), (14137, 18142)]