256979463916

素因数分解:

$2^2\times 7^1\times {\mathrm{54779}}^1\times {\mathrm{167543}}^1$

素因数の和:222333

約数の個数: 24

約数和(自身を含む): 513971377920

約数和(自身を除く): 256991914004

約数列:

[1, 2, 4, 7, 14, 28, 54779, 109558, 167543, 219116, 335086, 383453, 670172, 766906, 1172801, 1533812, 2345602, 4691204, 9177837997, 18355675994, 36711351988, 64244865979, 128489731958, 256979463916]

約数ペア:

[(1, 256979463916), (2, 128489731958), (4, 64244865979), (7, 36711351988), (14, 18355675994), (28, 9177837997), (54779, 4691204), (109558, 2345602), (167543, 1533812), (219116, 1172801), (335086, 766906), (383453, 670172)]