257113532

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{38933}}^1$

素因数の和:39077

約数の個数: 24

約数和(自身を含む): 488388096

約数和(自身を除く): 231274564

約数列:

[1, 2, 4, 13, 26, 52, 127, 254, 508, 1651, 3302, 6604, 38933, 77866, 155732, 506129, 1012258, 2024516, 4944491, 9888982, 19777964, 64278383, 128556766, 257113532]

約数ペア:

[(1, 257113532), (2, 128556766), (4, 64278383), (13, 19777964), (26, 9888982), (52, 4944491), (127, 2024516), (254, 1012258), (508, 506129), (1651, 155732), (3302, 77866), (6604, 38933)]