81001756

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{29}}^2\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 54

約数和(自身を含む): 162180200

約数和(自身を除く): 81178444

約数列:

[1, 2, 4, 11, 22, 29, 44, 58, 116, 121, 199, 242, 319, 398, 484, 638, 796, 841, 1276, 1682, 2189, 3364, 3509, 4378, 5771, 7018, 8756, 9251, 11542, 14036, 18502, 23084, 24079, 37004, 48158, 63481, 96316, 101761, 126962, 167359, 203522, 253924, 334718, 407044, 669436, 698291, 1396582, 1840949, 2793164, 3681898, 7363796, 20250439, 40500878, 81001756]

約数ペア:

[(1, 81001756), (2, 40500878), (4, 20250439), (11, 7363796), (22, 3681898), (29, 2793164), (44, 1840949), (58, 1396582), (116, 698291), (121, 669436), (199, 407044), (242, 334718), (319, 253924), (398, 203522), (484, 167359), (638, 126962), (796, 101761), (841, 96316), (1276, 63481), (1682, 48158), (2189, 37004), (3364, 24079), (3509, 23084), (4378, 18502), (5771, 14036), (7018, 11542), (8756, 9251)]