131285888

素因数分解:

$2^7\times {\mathrm{211}}^1\times {\mathrm{4861}}^1$

素因数の和:5086

約数の個数: 32

約数和(自身を含む): 262839720

約数和(自身を除く): 131553832

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 211, 422, 844, 1688, 3376, 4861, 6752, 9722, 13504, 19444, 27008, 38888, 77776, 155552, 311104, 622208, 1025671, 2051342, 4102684, 8205368, 16410736, 32821472, 65642944, 131285888]

約数ペア:

[(1, 131285888), (2, 65642944), (4, 32821472), (8, 16410736), (16, 8205368), (32, 4102684), (64, 2051342), (128, 1025671), (211, 622208), (422, 311104), (844, 155552), (1688, 77776), (3376, 38888), (4861, 27008), (6752, 19444), (9722, 13504)]