1991231472

素因数分解:

$2^4\times 3^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1\times {\mathrm{829}}^1$

素因数の和:1310

約数の個数: 80

約数和(自身を含む): 5198695040

約数和(自身を除く): 3207463568

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 163, 307, 326, 489, 614, 652, 829, 921, 978, 1228, 1304, 1658, 1842, 1956, 2456, 2487, 2608, 3316, 3684, 3912, 4912, 4974, 6632, 7368, 7824, 9948, 13264, 14736, 19896, 39792, 50041, 100082, 135127, 150123, 200164, 254503, 270254, 300246, 400328, 405381, 509006, 540508, 600492, 763509, 800656, 810762, 1018012, 1081016, 1200984, 1527018, 1621524, 2036024, 2162032, 2401968, 3054036, 3243048, 4072048, 6108072, 6486096, 12216144, 41483989, 82967978, 124451967, 165935956, 248903934, 331871912, 497807868, 663743824, 995615736, 1991231472]

約数ペア:

[(1, 1991231472), (2, 995615736), (3, 663743824), (4, 497807868), (6, 331871912), (8, 248903934), (12, 165935956), (16, 124451967), (24, 82967978), (48, 41483989), (163, 12216144), (307, 6486096), (326, 6108072), (489, 4072048), (614, 3243048), (652, 3054036), (829, 2401968), (921, 2162032), (978, 2036024), (1228, 1621524), (1304, 1527018), (1658, 1200984), (1842, 1081016), (1956, 1018012), (2456, 810762), (2487, 800656), (2608, 763509), (3316, 600492), (3684, 540508), (3912, 509006), (4912, 405381), (4974, 400328), (6632, 300246), (7368, 270254), (7824, 254503), (9948, 200164), (13264, 150123), (14736, 135127), (19896, 100082), (39792, 50041)]