495984128

素因数分解:

$2^9\times {\mathrm{31}}^1\times {\mathrm{31249}}^1$

素因数の和:31298

約数の個数: 40

約数和(自身を含む): 1023000000

約数和(自身を除く): 527015872

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 512, 992, 1984, 3968, 7936, 15872, 31249, 62498, 124996, 249992, 499984, 968719, 999968, 1937438, 1999936, 3874876, 3999872, 7749752, 7999744, 15499504, 15999488, 30999008, 61998016, 123996032, 247992064, 495984128]

約数ペア:

[(1, 495984128), (2, 247992064), (4, 123996032), (8, 61998016), (16, 30999008), (31, 15999488), (32, 15499504), (62, 7999744), (64, 7749752), (124, 3999872), (128, 3874876), (248, 1999936), (256, 1937438), (496, 999968), (512, 968719), (992, 499984), (1984, 249992), (3968, 124996), (7936, 62498), (15872, 31249)]