218969792

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{313}}^1\times {\mathrm{643}}^1$

素因数の和:985

約数の個数: 56

約数和(自身を含む): 462265776

約数和(自身を除く): 243295984

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 136, 272, 313, 544, 626, 643, 1088, 1252, 1286, 2504, 2572, 5008, 5144, 5321, 10016, 10288, 10642, 10931, 20032, 20576, 21284, 21862, 41152, 42568, 43724, 85136, 87448, 170272, 174896, 201259, 340544, 349792, 402518, 699584, 805036, 1610072, 3220144, 3421403, 6440288, 6842806, 12880576, 13685612, 27371224, 54742448, 109484896, 218969792]

約数ペア:

[(1, 218969792), (2, 109484896), (4, 54742448), (8, 27371224), (16, 13685612), (17, 12880576), (32, 6842806), (34, 6440288), (64, 3421403), (68, 3220144), (136, 1610072), (272, 805036), (313, 699584), (544, 402518), (626, 349792), (643, 340544), (1088, 201259), (1252, 174896), (1286, 170272), (2504, 87448), (2572, 85136), (5008, 43724), (5144, 42568), (5321, 41152), (10016, 21862), (10288, 21284), (10642, 20576), (10931, 20032)]