51653875

素因数分解:

$5^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{239}}^1$

素因数の和:293

約数の個数: 64

約数和(自身を含む): 83865600

約数和(自身を除く): 32211725

約数列:

[1, 5, 7, 13, 19, 25, 35, 65, 91, 95, 125, 133, 175, 239, 247, 325, 455, 475, 665, 875, 1195, 1235, 1625, 1673, 1729, 2275, 2375, 3107, 3325, 4541, 5975, 6175, 8365, 8645, 11375, 15535, 16625, 21749, 22705, 29875, 30875, 31787, 41825, 43225, 59033, 77675, 108745, 113525, 158935, 209125, 216125, 295165, 388375, 413231, 543725, 567625, 794675, 1475825, 2066155, 2718625, 3973375, 7379125, 10330775, 51653875]

約数ペア:

[(1, 51653875), (5, 10330775), (7, 7379125), (13, 3973375), (19, 2718625), (25, 2066155), (35, 1475825), (65, 794675), (91, 567625), (95, 543725), (125, 413231), (133, 388375), (175, 295165), (239, 216125), (247, 209125), (325, 158935), (455, 113525), (475, 108745), (665, 77675), (875, 59033), (1195, 43225), (1235, 41825), (1625, 31787), (1673, 30875), (1729, 29875), (2275, 22705), (2375, 21749), (3107, 16625), (3325, 15535), (4541, 11375), (5975, 8645), (6175, 8365)]