81534568

素因数分解:

$2^3\times {\mathrm{41}}^1\times {\mathrm{331}}^1\times {\mathrm{751}}^1$

素因数の和:1129

約数の個数: 32

約数和(自身を含む): 157288320

約数和(自身を除く): 75753752

約数列:

[1, 2, 4, 8, 41, 82, 164, 328, 331, 662, 751, 1324, 1502, 2648, 3004, 6008, 13571, 27142, 30791, 54284, 61582, 108568, 123164, 246328, 248581, 497162, 994324, 1988648, 10191821, 20383642, 40767284, 81534568]

約数ペア:

[(1, 81534568), (2, 40767284), (4, 20383642), (8, 10191821), (41, 1988648), (82, 994324), (164, 497162), (328, 248581), (331, 246328), (662, 123164), (751, 108568), (1324, 61582), (1502, 54284), (2648, 30791), (3004, 27142), (6008, 13571)]