31132928

素因数分解:

$2^8\times {\mathrm{31}}^1\times {\mathrm{3923}}^1$

素因数の和:3970

約数の個数: 36

約数和(自身を含む): 64165248

約数和(自身を除く): 33032320

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 256, 496, 992, 1984, 3923, 3968, 7846, 7936, 15692, 31384, 62768, 121613, 125536, 243226, 251072, 486452, 502144, 972904, 1004288, 1945808, 3891616, 7783232, 15566464, 31132928]

約数ペア:

[(1, 31132928), (2, 15566464), (4, 7783232), (8, 3891616), (16, 1945808), (31, 1004288), (32, 972904), (62, 502144), (64, 486452), (124, 251072), (128, 243226), (248, 125536), (256, 121613), (496, 62768), (992, 31384), (1984, 15692), (3923, 7936), (3968, 7846)]