444865456

素因数分解:

$2^4\times 7^1\times {\mathrm{1987}}^1\times {\mathrm{1999}}^1$

素因数の和:4001

約数の個数: 40

約数和(自身を含む): 986048000

約数和(自身を除く): 541182544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 1987, 1999, 3974, 3998, 7948, 7996, 13909, 13993, 15896, 15992, 27818, 27986, 31792, 31984, 55636, 55972, 111272, 111944, 222544, 223888, 3972013, 7944026, 15888052, 27804091, 31776104, 55608182, 63552208, 111216364, 222432728, 444865456]

約数ペア:

[(1, 444865456), (2, 222432728), (4, 111216364), (7, 63552208), (8, 55608182), (14, 31776104), (16, 27804091), (28, 15888052), (56, 7944026), (112, 3972013), (1987, 223888), (1999, 222544), (3974, 111944), (3998, 111272), (7948, 55972), (7996, 55636), (13909, 31984), (13993, 31792), (15896, 27986), (15992, 27818)]