679393778

素因数分解:

$2^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{701}}^1\times {\mathrm{1871}}^1$

素因数の和:2618

約数の個数: 32

約数和(自身を含む): 1198499328

約数和(自身を除く): 519105550

約数列:

[1, 2, 7, 14, 37, 74, 259, 518, 701, 1402, 1871, 3742, 4907, 9814, 13097, 25937, 26194, 51874, 69227, 138454, 181559, 363118, 484589, 969178, 1311571, 2623142, 9180997, 18361994, 48528127, 97056254, 339696889, 679393778]

約数ペア:

[(1, 679393778), (2, 339696889), (7, 97056254), (14, 48528127), (37, 18361994), (74, 9180997), (259, 2623142), (518, 1311571), (701, 969178), (1402, 484589), (1871, 363118), (3742, 181559), (4907, 138454), (9814, 69227), (13097, 51874), (25937, 26194)]