2149489889968

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{5009}}^1\times {\mathrm{623729}}^1$

素因数の和:628789

約数の個数: 40

約数和(自身を含む): 4262346277200

約数和(自身を除く): 2112856387232

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 5009, 10018, 20036, 40072, 80144, 215387, 430774, 623729, 861548, 1247458, 1723096, 2494916, 3446192, 4989832, 9979664, 26820347, 53640694, 107281388, 214562776, 429125552, 3124258561, 6248517122, 12497034244, 24994068488, 49988136976, 134343118123, 268686236246, 537372472492, 1074744944984, 2149489889968]

約数ペア:

[(1, 2149489889968), (2, 1074744944984), (4, 537372472492), (8, 268686236246), (16, 134343118123), (43, 49988136976), (86, 24994068488), (172, 12497034244), (344, 6248517122), (688, 3124258561), (5009, 429125552), (10018, 214562776), (20036, 107281388), (40072, 53640694), (80144, 26820347), (215387, 9979664), (430774, 4989832), (623729, 3446192), (861548, 2494916), (1247458, 1723096)]