388732568

素因数分解:

$2^3\times 7^1\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{2203}}^1$

素因数の和:2376

約数の個数: 64

約数和(自身を含む): 875957760

約数和(自身を除く): 487225192

約数列:

[1, 2, 4, 7, 8, 14, 23, 28, 46, 56, 92, 137, 161, 184, 274, 322, 548, 644, 959, 1096, 1288, 1918, 2203, 3151, 3836, 4406, 6302, 7672, 8812, 12604, 15421, 17624, 22057, 25208, 30842, 44114, 50669, 61684, 88228, 101338, 123368, 176456, 202676, 301811, 354683, 405352, 603622, 709366, 1207244, 1418732, 2112677, 2414488, 2837464, 4225354, 6941653, 8450708, 13883306, 16901416, 27766612, 48591571, 55533224, 97183142, 194366284, 388732568]

約数ペア:

[(1, 388732568), (2, 194366284), (4, 97183142), (7, 55533224), (8, 48591571), (14, 27766612), (23, 16901416), (28, 13883306), (46, 8450708), (56, 6941653), (92, 4225354), (137, 2837464), (161, 2414488), (184, 2112677), (274, 1418732), (322, 1207244), (548, 709366), (644, 603622), (959, 405352), (1096, 354683), (1288, 301811), (1918, 202676), (2203, 176456), (3151, 123368), (3836, 101338), (4406, 88228), (6302, 61684), (7672, 50669), (8812, 44114), (12604, 30842), (15421, 25208), (17624, 22057)]