990478336

素因数分解:

$2^{15}\times {\mathrm{167}}^1\times {\mathrm{181}}^1$

素因数の和:378

約数の個数: 64

約数和(自身を含む): 2003798160

約数和(自身を除く): 1013319824

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167, 181, 256, 334, 362, 512, 668, 724, 1024, 1336, 1448, 2048, 2672, 2896, 4096, 5344, 5792, 8192, 10688, 11584, 16384, 21376, 23168, 30227, 32768, 42752, 46336, 60454, 85504, 92672, 120908, 171008, 185344, 241816, 342016, 370688, 483632, 684032, 741376, 967264, 1368064, 1482752, 1934528, 2736128, 2965504, 3869056, 5472256, 5931008, 7738112, 15476224, 30952448, 61904896, 123809792, 247619584, 495239168, 990478336]

約数ペア:

[(1, 990478336), (2, 495239168), (4, 247619584), (8, 123809792), (16, 61904896), (32, 30952448), (64, 15476224), (128, 7738112), (167, 5931008), (181, 5472256), (256, 3869056), (334, 2965504), (362, 2736128), (512, 1934528), (668, 1482752), (724, 1368064), (1024, 967264), (1336, 741376), (1448, 684032), (2048, 483632), (2672, 370688), (2896, 342016), (4096, 241816), (5344, 185344), (5792, 171008), (8192, 120908), (10688, 92672), (11584, 85504), (16384, 60454), (21376, 46336), (23168, 42752), (30227, 32768)]