81534016

素因数分解:

$2^6\times {\mathrm{19}}^2\times {\mathrm{3529}}^1$

素因数の和:3579

約数の個数: 42

約数和(自身を含む): 170806110

約数和(自身を除く): 89272094

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 361, 608, 722, 1216, 1444, 2888, 3529, 5776, 7058, 11552, 14116, 23104, 28232, 56464, 67051, 112928, 134102, 225856, 268204, 536408, 1072816, 1273969, 2145632, 2547938, 4291264, 5095876, 10191752, 20383504, 40767008, 81534016]

約数ペア:

[(1, 81534016), (2, 40767008), (4, 20383504), (8, 10191752), (16, 5095876), (19, 4291264), (32, 2547938), (38, 2145632), (64, 1273969), (76, 1072816), (152, 536408), (304, 268204), (361, 225856), (608, 134102), (722, 112928), (1216, 67051), (1444, 56464), (2888, 28232), (3529, 23104), (5776, 14116), (7058, 11552)]