77871618

素因数分解:

$2^1\times 3^4\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{491}}^1$

素因数の和:605

約数の個数: 80

約数和(自身を含む): 192883680

約数和(自身を除く): 115012062

約数列:

[1, 2, 3, 6, 9, 11, 18, 22, 27, 33, 54, 66, 81, 89, 99, 162, 178, 198, 267, 297, 491, 534, 594, 801, 891, 979, 982, 1473, 1602, 1782, 1958, 2403, 2937, 2946, 4419, 4806, 5401, 5874, 7209, 8811, 8838, 10802, 13257, 14418, 16203, 17622, 26433, 26514, 32406, 39771, 43699, 48609, 52866, 79299, 79542, 87398, 97218, 131097, 145827, 158598, 262194, 291654, 393291, 437481, 480689, 786582, 874962, 961378, 1179873, 1442067, 2359746, 2884134, 3539619, 4326201, 7079238, 8652402, 12978603, 25957206, 38935809, 77871618]

約数ペア:

[(1, 77871618), (2, 38935809), (3, 25957206), (6, 12978603), (9, 8652402), (11, 7079238), (18, 4326201), (22, 3539619), (27, 2884134), (33, 2359746), (54, 1442067), (66, 1179873), (81, 961378), (89, 874962), (99, 786582), (162, 480689), (178, 437481), (198, 393291), (267, 291654), (297, 262194), (491, 158598), (534, 145827), (594, 131097), (801, 97218), (891, 87398), (979, 79542), (982, 79299), (1473, 52866), (1602, 48609), (1782, 43699), (1958, 39771), (2403, 32406), (2937, 26514), (2946, 26433), (4419, 17622), (4806, 16203), (5401, 14418), (5874, 13257), (7209, 10802), (8811, 8838)]