209101788

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{607}}^1\times {\mathrm{1367}}^1$

素因数の和:1991

約数の個数: 72

約数和(自身を含む): 605509632

約数和(自身を除く): 396407844

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 607, 1214, 1367, 1821, 2428, 2734, 3642, 4101, 4249, 5463, 5468, 7284, 8202, 8498, 9569, 10926, 12303, 12747, 16404, 16996, 19138, 21852, 24606, 25494, 28707, 38241, 38276, 49212, 50988, 57414, 76482, 86121, 114828, 152964, 172242, 344484, 829769, 1659538, 2489307, 3319076, 4978614, 5808383, 7467921, 9957228, 11616766, 14935842, 17425149, 23233532, 29871684, 34850298, 52275447, 69700596, 104550894, 209101788]

約数ペア:

[(1, 209101788), (2, 104550894), (3, 69700596), (4, 52275447), (6, 34850298), (7, 29871684), (9, 23233532), (12, 17425149), (14, 14935842), (18, 11616766), (21, 9957228), (28, 7467921), (36, 5808383), (42, 4978614), (63, 3319076), (84, 2489307), (126, 1659538), (252, 829769), (607, 344484), (1214, 172242), (1367, 152964), (1821, 114828), (2428, 86121), (2734, 76482), (3642, 57414), (4101, 50988), (4249, 49212), (5463, 38276), (5468, 38241), (7284, 28707), (8202, 25494), (8498, 24606), (9569, 21852), (10926, 19138), (12303, 16996), (12747, 16404)]