990016

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{499}}^1$

素因数の和:542

約数の個数: 28

約数和(自身を含む): 2032000

約数和(自身を除く): 1041984

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 248, 496, 499, 992, 998, 1984, 1996, 3992, 7984, 15469, 15968, 30938, 31936, 61876, 123752, 247504, 495008, 990016]

約数ペア:

[(1, 990016), (2, 495008), (4, 247504), (8, 123752), (16, 61876), (31, 31936), (32, 30938), (62, 15968), (64, 15469), (124, 7984), (248, 3992), (496, 1996), (499, 1984), (992, 998)]