215384368

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{499}}^1\times {\mathrm{509}}^1$

素因数の和:1069

約数の個数: 40

約数和(自身を含む): 426870000

約数和(自身を除く): 211485632

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 499, 509, 848, 998, 1018, 1996, 2036, 3992, 4072, 7984, 8144, 26447, 26977, 52894, 53954, 105788, 107908, 211576, 215816, 253991, 423152, 431632, 507982, 1015964, 2031928, 4063856, 13461523, 26923046, 53846092, 107692184, 215384368]

約数ペア:

[(1, 215384368), (2, 107692184), (4, 53846092), (8, 26923046), (16, 13461523), (53, 4063856), (106, 2031928), (212, 1015964), (424, 507982), (499, 431632), (509, 423152), (848, 253991), (998, 215816), (1018, 211576), (1996, 107908), (2036, 105788), (3992, 53954), (4072, 52894), (7984, 26977), (8144, 26447)]