81584538

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:443

約数の個数: 64

約数和(自身を含む): 191600640

約数和(自身を除く): 110016102

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 71, 109, 142, 213, 218, 251, 327, 426, 497, 502, 654, 753, 763, 994, 1491, 1506, 1526, 1757, 2289, 2982, 3514, 4578, 5271, 7739, 10542, 15478, 17821, 23217, 27359, 35642, 46434, 53463, 54173, 54718, 82077, 106926, 108346, 124747, 162519, 164154, 191513, 249494, 325038, 374241, 383026, 574539, 748482, 1149078, 1942489, 3884978, 5827467, 11654934, 13597423, 27194846, 40792269, 81584538]

約数ペア:

[(1, 81584538), (2, 40792269), (3, 27194846), (6, 13597423), (7, 11654934), (14, 5827467), (21, 3884978), (42, 1942489), (71, 1149078), (109, 748482), (142, 574539), (213, 383026), (218, 374241), (251, 325038), (327, 249494), (426, 191513), (497, 164154), (502, 162519), (654, 124747), (753, 108346), (763, 106926), (994, 82077), (1491, 54718), (1506, 54173), (1526, 53463), (1757, 46434), (2289, 35642), (2982, 27359), (3514, 23217), (4578, 17821), (5271, 15478), (7739, 10542)]