15721081984

素因数分解:

$2^7\times {\mathrm{41}}^1\times {\mathrm{2995633}}^1$

素因数の和:2995688

約数の個数: 32

約数和(自身を含む): 32083240140

約数和(自身を除く): 16362158156

約数列:

[1, 2, 4, 8, 16, 32, 41, 64, 82, 128, 164, 328, 656, 1312, 2624, 5248, 2995633, 5991266, 11982532, 23965064, 47930128, 95860256, 122820953, 191720512, 245641906, 383441024, 491283812, 982567624, 1965135248, 3930270496, 7860540992, 15721081984]

約数ペア:

[(1, 15721081984), (2, 7860540992), (4, 3930270496), (8, 1965135248), (16, 982567624), (32, 491283812), (41, 383441024), (64, 245641906), (82, 191720512), (128, 122820953), (164, 95860256), (328, 47930128), (656, 23965064), (1312, 11982532), (2624, 5991266), (5248, 2995633)]