81938368

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{593}}^1$

素因数の和:749

約数の個数: 56

約数和(自身を含む): 173809152

約数和(自身を除く): 91870784

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 127, 136, 254, 272, 508, 544, 593, 1016, 1088, 1186, 2032, 2159, 2372, 4064, 4318, 4744, 8128, 8636, 9488, 10081, 17272, 18976, 20162, 34544, 37952, 40324, 69088, 75311, 80648, 138176, 150622, 161296, 301244, 322592, 602488, 645184, 1204976, 1280287, 2409952, 2560574, 4819904, 5121148, 10242296, 20484592, 40969184, 81938368]

約数ペア:

[(1, 81938368), (2, 40969184), (4, 20484592), (8, 10242296), (16, 5121148), (17, 4819904), (32, 2560574), (34, 2409952), (64, 1280287), (68, 1204976), (127, 645184), (136, 602488), (254, 322592), (272, 301244), (508, 161296), (544, 150622), (593, 138176), (1016, 80648), (1088, 75311), (1186, 69088), (2032, 40324), (2159, 37952), (2372, 34544), (4064, 20162), (4318, 18976), (4744, 17272), (8128, 10081), (8636, 9488)]