161968408

素因数分解:

$2^3\times 7^1\times {\mathrm{487}}^1\times {\mathrm{5939}}^1$

素因数の和:6439

約数の個数: 32

約数和(自身を含む): 347846400

約数和(自身を除く): 185877992

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 487, 974, 1948, 3409, 3896, 5939, 6818, 11878, 13636, 23756, 27272, 41573, 47512, 83146, 166292, 332584, 2892293, 5784586, 11569172, 20246051, 23138344, 40492102, 80984204, 161968408]

約数ペア:

[(1, 161968408), (2, 80984204), (4, 40492102), (7, 23138344), (8, 20246051), (14, 11569172), (28, 5784586), (56, 2892293), (487, 332584), (974, 166292), (1948, 83146), (3409, 47512), (3896, 41573), (5939, 27272), (6818, 23756), (11878, 13636)]