215955968

素因数分解:

$2^9\times {\mathrm{211}}^1\times {\mathrm{1999}}^1$

素因数の和:2228

約数の個数: 40

約数和(自身を含む): 433752000

約数和(自身を除く): 217796032

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 256, 422, 512, 844, 1688, 1999, 3376, 3998, 6752, 7996, 13504, 15992, 27008, 31984, 54016, 63968, 108032, 127936, 255872, 421789, 511744, 843578, 1023488, 1687156, 3374312, 6748624, 13497248, 26994496, 53988992, 107977984, 215955968]

約数ペア:

[(1, 215955968), (2, 107977984), (4, 53988992), (8, 26994496), (16, 13497248), (32, 6748624), (64, 3374312), (128, 1687156), (211, 1023488), (256, 843578), (422, 511744), (512, 421789), (844, 255872), (1688, 127936), (1999, 108032), (3376, 63968), (3998, 54016), (6752, 31984), (7996, 27008), (13504, 15992)]