81421534

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{59}}^1\times {\mathrm{1097}}^1$

素因数の和:1212

約数の個数: 32

約数和(自身を含む): 135185760

約数和(自身を除く): 53764226

約数列:

[1, 2, 17, 34, 37, 59, 74, 118, 629, 1003, 1097, 1258, 2006, 2183, 2194, 4366, 18649, 37111, 37298, 40589, 64723, 74222, 81178, 129446, 690013, 1100291, 1380026, 2200582, 2394751, 4789502, 40710767, 81421534]

約数ペア:

[(1, 81421534), (2, 40710767), (17, 4789502), (34, 2394751), (37, 2200582), (59, 1380026), (74, 1100291), (118, 690013), (629, 129446), (1003, 81178), (1097, 74222), (1258, 64723), (2006, 40589), (2183, 37298), (2194, 37111), (4366, 18649)]