81790364

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{293}}^1\times {\mathrm{3673}}^1$

素因数の和:3989

約数の個数: 24

約数和(自身を含む): 151221840

約数和(自身を除く): 69431476

約数列:

[1, 2, 4, 19, 38, 76, 293, 586, 1172, 3673, 5567, 7346, 11134, 14692, 22268, 69787, 139574, 279148, 1076189, 2152378, 4304756, 20447591, 40895182, 81790364]

約数ペア:

[(1, 81790364), (2, 40895182), (4, 20447591), (19, 4304756), (38, 2152378), (76, 1076189), (293, 279148), (586, 139574), (1172, 69787), (3673, 22268), (5567, 14692), (7346, 11134)]